559 FZUS51 KBUF 150804 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 404 AM EDT Thu Oct 15 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ020-151500- Upper Niagara River and Buffalo Harbor- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 5 to 10 knots becoming east. Cloudy this morning, then becoming partly sunny. .TONIGHT...East winds 5 to 15 knots becoming south. A chance of showers in the evening, then periods of rain with a chance of thunderstorms overnight. .FRIDAY...Southwest winds 15 to 20 knots becoming west. Periods of rain with a chance of thunderstorms in the morning, then periods of rain in the afternoon. .FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming north 15 to 20 knots. A chance of rain showers. .SATURDAY...North winds 5 to 15 knots becoming southwest 10 knots or less. Partly cloudy, then becoming clear. .SUNDAY...Southwest winds 10 to 15 knots. Mainly clear. .MONDAY...Southwest winds 10 knots or less. Mainly clear, then becoming partly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 64 degrees. $$ LOZ030-151500- Lower Niagara River- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 5 to 15 knots becoming east. Cloudy this morning, then becoming partly sunny. .TONIGHT...East winds 5 to 15 knots becoming south. A chance of showers in the evening, then periods of rain overnight. .FRIDAY...Southwest winds 10 to 15 knots becoming northwest 15 to 20 knots. Periods of rain. .FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north. A chance of showers in the evening. .SATURDAY...North winds 15 to 20 knots becoming southwest and diminishing to 5 to 10 knots. Partly cloudy, then becoming clear. .SUNDAY...Southwest winds 5 to 15 knots. Mainly clear. .MONDAY...Southwest winds around 10 knots becoming light and variable. Mainly clear, then becoming partly cloudy. $$ LEZ040-041-151500- Buffalo to Ripley along Lake Erie- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 5 to 15 knots becoming east. Cloudy this morning, then becoming mostly sunny. Waves 1 to 3 feet. .TONIGHT...East winds 10 to 15 knots becoming south and increasing to 15 to 25 knots. A chance of showers in the evening, then periods of rain with a chance of thunderstorms overnight. Waves 2 feet or less building to 2 to 4 feet. .FRIDAY...Southwest winds to 30 knots becoming west. Periods of rain with a chance of thunderstorms in the morning, then periods of rain in the afternoon. Waves 3 to 5 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest winds 15 to 25 knots becoming north. Rain likely. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .SATURDAY...North winds 15 to 20 knots becoming southwest 5 to 15 knots. A chance of showers during the day. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming south. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Southwest winds 5 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ042-151500- Niagara River to Hamlin Beach along Lake Ontario- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. Cloudy this morning, then becoming partly sunny. Waves 2 to 4 feet. .TONIGHT...East winds 15 to 20 knots becoming southeast 10 to 15 knots. A chance of showers in the evening, then periods of rain overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Southwest winds 15 to 25 knots becoming northwest to 30 knots. Periods of rain. Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest winds to 30 knots becoming north 15 to 25 knots. A chance of showers in the evening. Waves 5 to 8 feet. Waves occasionally around 10 feet. .SATURDAY...North winds 15 to 25 knots becoming southwest 15 to 20 knots. Partly cloudy, then becoming clear. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet. .SUNDAY...Southwest winds 15 to 20 knots. Mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Southwest winds 5 to 15 knots becoming west. Mainly clear, then becoming partly cloudy. Waves 2 feet or less. $$ LOZ043-044-151500- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 10 to 15 knots becoming east. Cloudy this morning, then becoming mostly sunny. Waves 1 to 3 feet. .TONIGHT...East winds 10 to 15 knots becoming southeast and increasing to 15 to 25 knots. Periods of rain overnight. Waves 1 to 3 feet. .FRIDAY...South winds 15 to 25 knots becoming west. Periods of rain. Waves 2 to 4 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest winds to 30 knots becoming north. A chance of showers. Waves 5 to 9 feet. Waves occasionally around 11 feet. .SATURDAY...North winds to 30 knots becoming west and diminishing to 10 to 15 knots. Partly cloudy, then becoming mainly clear. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally around 10 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming south. Mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Southwest winds 5 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less. The water temperature off Rochester is 61 degrees, the water temperature at the central lake buoy is 58 degrees, and the water temperature off Oswego is 61 degrees. $$ LOZ045-151500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 404 AM EDT Thu Oct 15 2026 .TODAY...Northeast winds 5 to 15 knots. Mostly cloudy this morning, then becoming mostly sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 15 knots becoming southeast and increasing to 15 to 25 knots. Periods of rain overnight. Waves 1 foot or less building to 2 to 4 feet. .FRIDAY...South winds to 30 knots becoming west 15 to 25 knots. Periods of rain. Waves 3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest winds to 30 knots becoming north. A chance of showers. Waves 5 to 8 feet. Waves occasionally around 10 feet. .SATURDAY...North winds to 30 knots becoming west and diminishing to 10 to 15 knots. Becoming mainly clear. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming south. Mainly clear. Waves 2 to 4 feet. .MONDAY...South winds 15 to 20 knots becoming southwest 5 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. The water temperature off Cape Vincent is 58 degrees. $$  542 FZUS53 KIWX 150804 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 404 AM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-151415- Michigan City IN to New Buffalo MI- 404 AM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TODAY...East winds around 10 knots becoming southeast. A chance of showers early this afternoon. Showers likely late. Waves 1 to 3 feet subsiding to 1 foot or less. .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 15 to 25 knots. Gusts up to 30 knots. Showers likely in the evening, then a chance of showers overnight. Waves 2 feet or less building to 5 to 7 feet. .FRIDAY...West winds to 30 knots becoming northwest. Gusts up to 30 knots increasing to 40 knot gales. A slight chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Waves 5 to 8 feet building to 9 to 12 feet. .FRIDAY NIGHT...North winds to 30 knots becoming northeast and diminishing to 15 to 20 knots. Gusts up to 40 knot gales. Showers in the evening, then a chance of showers overnight. Waves 11 to 16 feet subsiding to 10 to 13 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 63 degrees and at Michigan City is 62 degrees. $$ LMZ043-151415- New Buffalo MI to St Joseph MI- 404 AM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TODAY...East winds around 10 knots becoming southeast. A chance of showers early this afternoon. Showers likely late. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 15 to 25 knots. Gusts up to 30 knots. Showers likely in the evening, then a chance of showers overnight. Waves 2 feet or less building to 5 to 8 feet. .FRIDAY...Northwest winds to 30 knots becoming north. Gusts up to 30 knots increasing to 40 knot gales. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Waves 6 to 10 feet building to 9 to 12 feet. .FRIDAY NIGHT...North winds to 30 knots becoming northeast and diminishing to 15 to 20 knots. Gusts up to 40 knot gales. Showers likely in the evening, then a chance of showers overnight. Waves 10 to 15 feet subsiding to 8 to 11 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 63 degrees and at Michigan City is 62 degrees. $$  428 FZUS53 KGRB 150811 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 311 AM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-151600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 311 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less. Cloudy. .TODAY...SE wind 10 to 15 kts. Waves 2 ft or less. A slight chance of showers in the morning, then showers in the afternoon. .TONIGHT...NE wind 5 to 10 kts backing N 10 to 15 kts, then backing NW 15 to 25 kts after midnight. Waves 2 ft or less building to 2 to 4 ft after midnight. Rain showers. A Small Craft Advisory may be needed. .FRIDAY...N wind to 30 kts increasing to gales to 35 kts in the late morning and afternoon. Gusts to 40 kts. Waves 5 to 8 ft. A chance of showers in the morning. .FRIDAY NIGHT...N wind 15 to 25 kts with gale force gusts to around 35 kts becoming W 5 to 10 kts after midnight. Waves 4 to 7 ft. Mostly clear. $$ LMZ541>543-151600- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 311 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .EARLY THIS MORNING...E wind 10 to 15 kts. Waves 1 to 3 ft. Cloudy. .TODAY...SE wind 10 to 15 kts. Waves 2 to 4 ft. A slight chance of showers in the morning, then showers in the afternoon. .TONIGHT...E wind 10 to 15 kts backing N 15 to 25 kts in the late evening and overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers. .FRIDAY...N wind 15 to 25 kts with gale force gusts to around 35 kts increasing to gales to 35 kts with gale force gusts to around 45 kts in the late morning and afternoon. Waves 4 to 7 ft building to 6 to 10 ft in the afternoon. A chance of showers. .FRIDAY NIGHT...N wind to 30 kts with gale force gusts to around 35 kts becoming NW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 5 to 8 ft. Partly cloudy in the evening then clearing. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.  420 FZUS53 KGRR 150811 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 410 AM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-150915- Pentwater to Manistee MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds 10 to 15 knots. Mostly cloudy. Waves around 1 foot. .THURSDAY...Southeast winds 10 to 15 knots. Rain showers. Waves around 1 foot. .THURSDAY NIGHT...East winds 10 to 15 knots backing northeast in the late evening and early morning, then becoming north to 30 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 foot or less building to 3 to 5 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers. A slight chance of waterspouts. Waves 7 to 10 feet building to 9 to 13 feet early in the afternoon. .FRIDAY NIGHT...North gales to 45 knots decreasing to 30 knots after midnight. Partly cloudy with a chance of rain showers. Waves 10 to 14 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...Northwest winds 10 to 15 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots decreasing to 10 to 15 knots early in the afternoon. Mostly sunny. Waves 4 to 6 feet. $$ LMZ848-150915- Whitehall to Pentwater MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds 10 to 15 knots. Mostly cloudy. Waves around 1 foot. .THURSDAY...East winds 10 to 20 knots. Rain showers. Waves around 1 foot. .THURSDAY NIGHT...East winds 10 to 20 knots backing northeast in the late evening and early morning, then becoming north gales to 35 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 to 2 feet building to 4 to 6 feet after midnight. .FRIDAY...Northwest gales to 45 knots veering north storm force winds to 50 knots early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 7 to 11 feet building to 10 to 14 feet early in the afternoon. .FRIDAY NIGHT...North storm force winds to 50 knots decreasing to 30 knots. Partly cloudy with a chance of rain showers. Waves 10 to 14 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...North winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. $$ LMZ847-150915- Grand Haven to Whitehall MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds 15 to 20 knots. Mostly cloudy. Waves around 1 foot. .THURSDAY...East winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .THURSDAY NIGHT...East winds 15 to 25 knots becoming northwest gales to 35 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 to 2 feet building to 5 to 7 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers likely. A slight chance of waterspouts. Waves 7 to 11 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 7 to 11 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots backing southwest in the late morning and early afternoon,then increasing to 15 to 25 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 7 to 11 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ846-150915- Holland to Grand Haven MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds 15 to 20 knots. Mostly cloudy. Waves around 1 foot. .THURSDAY...East winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .THURSDAY NIGHT...East winds 15 to 20 knots veering southeast to 30 knots in the late evening and early morning, then veering northwest gales to 35 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 to 2 feet building to 5 to 7 feet. .FRIDAY...Northwest gales to 40 knots. Rain showers. A slight chance of waterspouts. Waves 7 to 10 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 15 to 25 knots after midnight. Partly cloudy. Waves 7 to 10 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots veering south in the late morning and early afternoon, then veering southwest 10 to 20 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 6 to 9 feet. .MONDAY...Southwest winds 15 to 25 knots decreasing to 10 to 15 knots early in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ845-150915- South Haven to Holland MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds around 15 knots. Mostly cloudy. Waves around 1 foot. .THURSDAY...East winds 10 to 20 knots. Rain showers. Waves around 1 foot. .THURSDAY NIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then veering northwest gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves around 1 foot building to 6 to 8 feet. .FRIDAY...Northwest gales to 40 knots. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 8 to 12 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy. Waves 8 to 12 feet. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 5 to 7 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ844-150915- St Joseph to South Haven MI- 410 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...East winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...East winds 10 to 15 knots. Rain showers. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then veering west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves around 1 foot building to 6 to 9 feet. .FRIDAY...Northwest gales to 45 knots. Rainshowers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 9 to 13 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 30 knots after midnight. Partly cloudy with a chance of rain showers. Waves 11 to 15 feet. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 6 to 8 feet subsiding to 3 to 5 feet in the late morning and afternoon. .SUNDAY...Southwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. .MONDAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves 1 to 3 feet. $$  671 FZUS53 KLOT 150815 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 315 AM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-151515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 315 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TODAY...East winds 15 to 20 kt becoming southeast. Scattered showers throughout the day. Waves 3 to 5 ft. .TONIGHT...South winds 15 to 25 kt becoming west to 30 kt with a few gale force gusts to 35 kt. Showers in the evening. Waves 3 to 5 ft. .FRIDAY...Northwest winds to 30 kt becoming northerly gales to 40 kt in the afternoon. Numerous showers especially in the afternoon. Slight chance of waterspouts in the afternoon. Waves 4 to 6 ft occasionally to 8 ft quickly building to 7 to 10 ft occasionally to 13 ft. .FRIDAY NIGHT...Northerly gales to 40 kt diminishing to 30 kt after midnight. Scattered showers ending by midnight. Waves 12 to 14 ft occasionally to 18 ft. $$ LMZ743>745-151515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 315 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TODAY...East winds 15 to 20 kt becoming southeast. Scattered showers throughout the day. Waves 3 to 5 ft. .TONIGHT...South winds 15 to 25 kt becoming west to 30 kt with a few gale force gusts to 35 kt. Showers. Waves 1 to 2 ft building to 5 to 8 ft occasionally to 10 ft. .FRIDAY...Northwest winds to 30 kt becoming northerly gales to 40 kt in the afternoon. Numerous showers especially in the afternoon. Slight chance of waterspouts in the afternoon. Waves 8 to 11 ft occasionally to 14 ft building to 12 to 14 ft occasionally to 18 ft. .FRIDAY NIGHT...Northerly gales to 40 kt diminishing to 30 kt after midnight. Scattered showers ending by midnight. Waves 12 to 16 ft occasionally to 21 ft. $$ Borchardt  262 FZUS53 KDLH 150846 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 346 AM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-151600- Grand Portage to Grand Marais MN- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 to 10 knots. Chance of rain showers late in the morning. Rain showers likely early in the afternoon, then rain showers late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 knots becoming northwest late in the evening, then becoming north 15 to 20 knots with gusts to around 25 knots after midnight rising to up to 30 knots with gales to around 40 knots early in the morning. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 45 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Chance of rain showers in the morning. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 8 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. $$ LSZ141-151600- Grand Marais to Taconite Harbor MN- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...Southeast wind 5 knots becoming southwest late in the afternoon. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest late in the evening, then becoming north 10 to 15 knots with gusts to around 25 knots after midnight rising to 20 to 25 knots with gales to around 35 knots early in the morning. Rain showers likely. Waves 1 foot or less building to 2 to 4 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming west 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ142-151600- Taconite Harbor to Silver Bay Harbor MN- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...Southeast wind 5 knots becoming south early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Slight chance of rain showers early in the morning, then chance of rain showers late in the morning. Rain showers likely in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest late in the evening, then rising to 10 to 15 knots with gusts to around 25 knots after midnight becoming north 20 to 25 knots with gales to around 35 knots early in the morning. Rain showers likely. Waves 1 foot or less building to 1 to 3 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ143-151600- Silver Bay Harbor to Two Harbors MN- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...Southeast wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers early in the morning, then rain showers likely in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest 10 to 15 knots with gusts to around 25 knots in the late evening and early morning, then becoming north 20 to 25 knots with gales to around 35 knots early in the morning. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less building to 1 to 3 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. Waves occasionally to 7 feet. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ144-151600- Two Harbors to Duluth MN- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers early in the morning, then rain showers likely in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest 20 to 25 knots with gales to around 35 knots in the late evening and overnight. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ145-151600- Duluth MN to Port Wing WI- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest late in the afternoon. Slight chance of rain showers early in the morning, then rain showers likely in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest 15 to 20 knots with gusts to around 25 knots in the late evening and early morning, then becoming north up to 30 knots with gales to around 35 knots early in the morning. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 to 3 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 5 to 8 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 10 feet. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Clear. Waves 1 to 2 feet. $$ LSZ146-151600- Port Wing to Sand Island WI- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest in the afternoon. Rain showers likely in the morning, then rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight, then becoming north 20 to 25 knots with gales to around 40 knots early in the morning. Rain showers likely. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally to 11 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 30 knots early in the morning. Mostly clear. Waves 1 to 3 feet. $$ LSZ147-151600- Sand Island to Bayfield WI- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest in the afternoon. Chance of rain showers late in the morning. Rain showers likely early in the afternoon, then rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight, then becoming north up to 30 knots with gales to around 40 knots early in the morning. Rain showers likely. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally to 12 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ150-151600- Outer Apostle Islands Beyond 5 NM from Mainland- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest late in the afternoon. Chance of rain showers late in the morning. Rain showers likely early in the afternoon, then rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight, then becoming north up to 30 knots with gales to around 40 knots early in the morning. Rain showers likely. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Chance of rain showers in the morning. Waves 8 to 11 feet subsiding to 4 to 7 feet late in the afternoon. Waves occasionally to 14 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. $$ LSZ121-151600- Chequamegon Bay-Bayfield to Oak Point WI- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest late in the afternoon. Rain showers likely late in the morning. Rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest 15 to 20 knots with gales to around 35 knots after midnight. Rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet. A gale warning may be needed. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ148-151600- Oak Point to Saxon Harbor WI- 346 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TODAY...South wind 5 knots becoming southwest late in the afternoon. Chance of rain showers late in the morning. Rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight, then becoming north 20 to 25 knots with gales to around 35 knots early in the morning. Rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 45 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Chance of rain showers in the morning. Waves 7 to 10 feet subsiding to 4 to 7 feet late in the afternoon. Waves occasionally to 13 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  685 FZUS53 KGRB 150856 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 356 AM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-151600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 356 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less. Cloudy. .TODAY...SE wind 10 to 15 kts. Waves 2 ft or less. A slight chance of showers in the morning, then showers in the afternoon. .TONIGHT...NE wind 5 to 10 kts backing N 10 to 15 kts, then backing NW 15 to 25 kts after midnight. Waves 2 ft or less building to 2 to 4 ft after midnight. Rain showers. A Small Craft Advisory may be needed. .FRIDAY...N wind to 30 kts increasing to gales to 35 kts in the late morning and afternoon. Gusts to 40 kts. Waves 5 to 8 ft. A chance of showers in the morning. .FRIDAY NIGHT...N wind 15 to 25 kts with gale force gusts to around 35 kts becoming W 5 to 10 kts after midnight. Waves 4 to 7 ft. Mostly clear. $$ LMZ541>543-151600- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 356 AM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .EARLY THIS MORNING...E wind 10 to 15 kts. Waves 1 to 3 ft. Cloudy. .TODAY...SE wind 10 to 15 kts. Waves 2 to 4 ft. A slight chance of showers in the morning, then showers in the afternoon. .TONIGHT...E wind 10 to 15 kts backing N 15 to 25 kts in the late evening and overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers. .FRIDAY...N wind 15 to 25 kts with gale force gusts to around 35 kts increasing to gales to 35 kts with gale force gusts to around 45 kts in the late morning and afternoon. Waves 4 to 7 ft building to 6 to 10 ft in the afternoon. A chance of showers. .FRIDAY NIGHT...N wind to 30 kts with gale force gusts to around 35 kts becoming NW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 5 to 8 ft. Partly cloudy in the evening then clearing. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.