877 FZUS53 KMQT 190903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Tue May 19 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. LMZ221-192000- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots. Showers likely and a slight chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...South wind 15 to 20 knots veering northwest 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms through mid morning, then a slight chance of showers by late morning. Areas of dense fog through early afternoon. Waves subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...North wind less than 10 knots veering northeast in the afternoon. Gusts up to 17 knots. Mostly sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Northeast wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. $$ LMZ248-250-192000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...South wind 15 to 25 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Areas of dense fog. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots by late morning, then veering northwest 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. Areas of dense fog through early afternoon. A chance of showers through mid morning. A slight chance of thunderstorms through early afternoon. A slight chance of showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots becoming 5 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind less than 10 knots in the evening becoming variable. Mostly clear. Waves calm to 1 foot. $$ LSZ240-241-192000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 AM EDT Tue May 19 2026 /403 AM CDT Tue May 19 2026/ ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... .EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a chance of rain showers. Patchy fog. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 5 to 15 knots backing west 10 to 20 knots by late morning. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots becoming less than 10 knots late. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ242-243-192000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 503 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...North wind 10 to 20 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy fog. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots backing west 10 to 20 knots by late morning. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Cloudy through late evening then becoming mostly clear. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots backing west in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ245-192000- Manitou Island to Point Isabelle MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... .EARLY THIS MORNING...Southeast wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet. .TODAY...Northwest wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 26 knots. Mostly cloudy through late evening then clearing. Waves 2 to 3 feet. .WEDNESDAY...Northwest wind 10 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...South wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ244-192000- Eagle River to Manitou Island MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots becoming 10 to 20 knots by late morning. Gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy dense fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 26 knots. Mostly cloudy through late evening then becoming mostly clear. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .WEDNESDAY...Northwest wind 5 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...South wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ246-192000- Point Isabelle to Lower Entrance of Portage Canal MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...West wind 15 to 20 knots. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 5 to 15 knots with gusts up to 22 knots. Cloudy through late evening then becoming mostly clear. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots veering northeast in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ247-192000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...West wind 15 to 20 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 3 feet. .TONIGHT...Northwest wind 10 to 20 knots diminishing to less than 10 knots late. Cloudy through late evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots veering northeast in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ248-192000- Huron Islands to Marquette MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH LATE TONIGHT... .EARLY THIS MORNING...Southeast wind 10 to 15 knots. Rain showers likely and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...West wind 15 to 25 knots veering northwest by late morning. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 20 knots with gusts up to 28 knots. Cloudy through late evening then becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY...Northwest wind 10 to 15 knots veering northeast less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Mostly clear. Waves calm to 1 foot. $$ LSZ249-192000- Marquette to Munising MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH LATE TONIGHT... .EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...Southwest wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts up to 27 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 15 to 20 knots becoming north less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ250-192000- Munising to Grand Marais MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a chance of showers and thunderstorms. Areas of dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...Southwest wind 15 to 20 knots veering northwest 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts up to 29 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY...Northwest wind 15 to 20 knots diminishing to 5 to 15 knots in the afternoon. Partly cloudy in the morning then clearing. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind less than 10 knots in the evening becoming variable. Mostly clear. Waves 1 to 2 feet. $$ LSZ251-192000- Grand Marais to Whitefish Point MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .EARLY THIS MORNING...Southeast wind 15 to 20 knots. Cloudy with a chance of showers and thunderstorms. Areas of dense fog. Waves 1 to 2 feet. .TODAY...South wind 15 to 20 knots veering west 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through early afternoon. A slight chance of showers and thunderstorms through mid morning, then a slight chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots becoming 20 to 25 knots late. Partly cloudy then becoming mostly cloudy by midnight then becoming partly cloudy. Waves subsiding to 4 to 7 feet occasionally to 9 feet, then building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY...Northwest wind 10 to 20 knots. Partly cloudy in the morning then clearing. Waves subsiding to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind less than 10 knots in the evening becoming variable. Mostly clear. Waves subsiding to 1 to 2 feet. $$ WFO MQT  084 FZUS53 KLOT 190908 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 408 AM CDT Tue May 19 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>742-191515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 408 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TODAY...Southwest winds 20 to 25 kt becoming west 15 to 25 kt late. Chance of showers and slight chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft. .TONIGHT...Northwest winds 15 to 20 kt becoming north. Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. .WEDNESDAY...North winds 15 to 20 kt becoming northeast. Mostly cloudy in the morning, then becoming partly cloudy. Waves 3 to 5 ft. .WEDNESDAY NIGHT...North winds 15 to 25 kt becoming northeast 15 to 20 kt. Partly cloudy. Waves 3 to 5 ft. $$ LMZ743>745-191515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 408 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TODAY...Southwest winds 20 to 25 kt becoming west 15 to 25 kt late. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft. .TONIGHT...Northwest winds 15 to 20 kt becoming north. Slight chance of showers and thunderstorms in the evening. Waves 2 to 4 ft. .WEDNESDAY...North winds 20 to 25 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 3 to 6 ft occasionally to 8 ft. A small craft advisory may be needed. .WEDNESDAY NIGHT...North winds 15 to 25 kt becoming northeast and diminishing to around 15 kt overnight. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. $$ Ratzer  380 FZUS53 KDLH 190932 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 432 AM CDT Tue May 19 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. LSZ140-191600- Grand Portage to Grand Marais MN- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ141-191600- Grand Marais to Taconite Harbor MN- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ142-191600- Taconite Harbor to Silver Bay Harbor MN- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ143-191600- Silver Bay Harbor to Two Harbors MN- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ144-191600- Two Harbors to Duluth MN- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDTTHIS MORNING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ145-191600- Duluth MN to Port Wing WI- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ146-191600- Port Wing to Sand Island WI- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming southeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ147-191600- Sand Island to Bayfield WI- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots early in the morning becoming variable 10 knots or less, then becoming southeast 5 knots in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ150-191600- Outer Apostle Islands Beyond 5 NM from Mainland- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the late evening and overnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ121-191600- Chequamegon Bay-Bayfield to Oak Point WI- 432 AM CDT Tue May 19 2026.TODAY...Northwest wind 5 knots becoming west 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ148-191600- Oak Point to Saxon Harbor WI- 432 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  168 FZUS53 KGRB 190949 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 449 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-191600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 449 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .EARLY THIS MORNING...S wind 15 to 25 kts. Waves 1 to 3 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TODAY...SW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day, then veering W early in the afternoon. Waves 2 to 4 ft. Patchy dense fog in the morning. a slight chance of showers in the morning. .TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. A chance of sprinkles in the evening. .WEDNESDAY...N wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. Mostly sunny. .WEDNESDAY NIGHT...E wind 5 to 10 kts backing NE after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-191600- Rock Island Passage to Sturgeon Bay WI- 449 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...S wind 15 to 25 kts. Waves 4 to 7 ft. Areas of dense fog. a chance of showers and a slight chance of thunderstorms. .TODAY...S wind 15 to 25 kts veering SW 10 to 15 kts mid-day, then veering NW early in the afternoon. Waves 4 to 7 ft. A chance of showers in the morning. patchy dense fog. .TONIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A chance of sprinkles in the evening. .WEDNESDAY...N wind 10 to 15 kts veering E 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .WEDNESDAY NIGHT...E wind 5 to 10 kts backing NE in the late evening and overnight. Waves 2 ft or less. Partly cloudy. $$ LMZ542-543-191600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 449 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TODAY...SW wind 15 to 25 kts veering W early in the afternoon. Waves 4 to 7 ft. Patchy dense fog in the morning. a chance of showers in the morning. .TONIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. A chance of sprinkles in the evening. .WEDNESDAY...N wind 10 to 15 kts veering NE in the late morning and afternoon. Waves 2 ft or less. Mostly sunny. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday. Wave height forecast is for ice free areas.