241 FZUS53 KMKX 190610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-190900- Sheboygan to Port Washington WI- 110 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...South wind 10 to 20 knots rising to 15 to 25 knots early in the morning. Patchy fog through the night. scattered showers and thunderstorms after midnight. Rain showers likely and slight chance of thunderstorms early in the morning. Waves 3 to 4 feet building to 3 to 5 feet early in the morning. .TUESDAY...South wind 15 to 25 knots veering southwest 15 to 20 knots late in the morning, then veering west early in the afternoon becoming west 15 to 20 knots late in the afternoon. Patchy fog in the morning. slight chance of thunderstorms in the morning. Chance of showers through the day. Waves 3 to 4 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LMZ644-190900- Port Washington to North Point Light WI- 110 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Scattered showers and thunderstorms after midnight, then showers likely and slight chance of thunderstorms early in the morning. patchy fog early in the morning. Waves 3 to 4 feet. .TUESDAY...Southwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then veering west 15 to 20 knots in the afternoon. Slight chance of thunderstorms in the morning. Chance of showers through the day. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then rising to 15 to 20 knots after midnight becoming north 10 to 15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. $$ LMZ645-190900- North Point Light to Wind Point WI- 110 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Scattered showers and thunderstorms after midnight, then showers likely and slight chance of thunderstorms early in the morning. patchy fog early in the morning. Waves 2 to 4 feet. .TUESDAY...Southwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then veering west 15 to 20 knots in the afternoon. Chance of showers and slight chance of thunderstorms through the day. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming northwest 10 to 15 knots late in the evening, then rising to 15 to 20 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 2 to 4 feet. $$ LMZ646-190900- Wind Point WI to Winthrop Harbor IL- 110 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .REST OF TONIGHT...South wind 15 to 20 knots. Scattered showers and thunderstorms after midnight, then showers likely and slight chance of thunderstorms early in the morning. patchy fog early in the morning. Waves 2 to 4 feet. .TUESDAY...Southwest wind 15 to 20 knots becoming west 10 to 15 knots late in the afternoon. Gusts up to 25 knots. Chance of showers and slight chance of thunderstorms through the day. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 2 to 4 feet. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.  906 FZUS53 KGRB 190621 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 121 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-191000- 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- 121 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... .REST OF THE NIGHT...S wind 10 to 20 kts. Waves 2 ft or less. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...SW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day, then veering W early in the afternoon. Waves 1 to 3 ft. Patchy dense fog in the morning. a slight chance of showers in the morning. .TUESDAY NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY...N wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. $$ LMZ541-191000- Rock Island Passage to Sturgeon Bay WI- 121 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...S wind 15 to 25 kts veering SW 10 to 15 kts mid-day, then veering NW early in the afternoon. Waves 4 to 7 ft. Patchy dense fog in the morning. a chance of showers. .TUESDAY NIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Mostly cloudy. .WEDNESDAY...N wind 10 to 15 kts veering E 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. $$ LMZ542-543-191000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 121 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...SW wind 15 to 25 kts veering W early in the afternoon. Waves 4 to 7 ft. Patchy dense fog in the morning. a slight chance of showers in the morning. .TUESDAY NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .WEDNESDAY...N wind 10 to 15 kts veering NE in the late morning and afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday. Wave height forecast is for ice free areas.  062 FZUS53 KDLH 190623 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 123 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-191600- Grand Portage to Grand Marais MN- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly clear. Waves 1 to 3 feet. $$ LSZ141-191600- Grand Marais to Taconite Harbor MN- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .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. .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. $$ LSZ142-191600- Taconite Harbor to Silver Bay Harbor MN- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ143-191600- Silver Bay Harbor to Two Harbors MN- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .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. $$ LSZ144-191600- Two Harbors to Duluth MN- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ145-191600- Duluth MN to Port Wing WI- 123 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. $$ LSZ146-191600- Port Wing to Sand Island WI- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming southeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ147-191600- Sand Island to Bayfield WI- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 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 late 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. $$ LSZ150-191600- Outer Apostle Islands Beyond 5 NM from Mainland- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Northwest wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the late evening and overnight. Chance of sprinkles in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ121-191600- Chequamegon Bay-Bayfield to Oak Point WI- 123 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. $$ LSZ148-191600- Oak Point to Saxon Harbor WI- 123 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Northwest wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog early in the morning. Chance of rain showers early in the morning. Chance of sprinkles in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  109 FZUS53 KGRR 190623 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 223 AM EDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-190800- Pentwater to Manistee MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds 20 to 25 knots. Rain showers likely and a slight chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots. Rain showers likely and a slight chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...West winds 10 to 20 knots veering north in the late evening and overnight. Mostly cloudy with a chance of rain showers. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots backing north early in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 20 knots. Mostly cloudy. Waves around 1 foot. .SATURDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Partly sunny. Waves around 1 foot. $$ LMZ848-190800- Whitehall to Pentwater MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds 20 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy dense fog. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots veering north after midnight. Partly cloudy with a chance of rain showers. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 25 knots decreasing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast winds 10 to 20 knots backing north early in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Cloudy. Waves around 1 foot. .SATURDAY...Northeast winds 15 to 20 knots backing north early in the afternoon. Partly sunny. Waves around 1 foot. $$ LMZ847-190800- Grand Haven to Whitehall MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy dense fog. Waves 4 to 6 feet. .TUESDAY...Southwest winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots veering north after midnight. Rain showers likely and a slight chance of thunderstorms. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast winds 10 to 15 knots. Partly sunny. Waves 1 foot or less. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Northeast winds 15 to 20 knots backing north early in the afternoon. Mostly cloudy. Waves around 1 foot. $$ LMZ846-190800- Holland to Grand Haven MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy fog. Waves 3 to 5 feet. .TUESDAY...Southwest winds to 30 knots. Rain showers likely and a slight chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots veering north after midnight. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. .THURSDAY...Northeast winds 10 to 20 knots. Partly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 25 knots. Mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Northeast winds 15 to 20 knots backing northwest 10 to 15 knots early in the afternoon. Mostly cloudy. Waves 1 to 2 feet. $$ LMZ845-190800- South Haven to Holland MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds 20 to 25 knots. Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Waves 3 to 5 feet. .TUESDAY...Southwest winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots veering north after midnight. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY NIGHT...North winds 20 to 25 knots veering northeast 15 to 20 knots in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy with a chance of rain showers. Waves around 1 foot. .SATURDAY...Northeast winds 10 to 20 knots backing northwest early in the afternoon. Mostly cloudy. Waves around 1 foot. $$ LMZ844-190800- St Joseph to South Haven MI- 223 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds 20 to 25 knots. Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest winds 10 to 15 knots veering north around 20 knots after midnight. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast around 15 knots after midnight. Partly cloudy. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy with a chance of rain showers. Waves around 1 foot. .SATURDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Mostly cloudy. Waves 1 foot or less. $$  653 FZUS53 KGRB 190656 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 156 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-191000- 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- 156 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... .REST OF THE NIGHT...S wind 10 to 20 kts. Waves 2 ft or less. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...SW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day, then veering W early in the afternoon. Waves 1 to 3 ft. Patchy dense fog in the morning. a slight chance of showers in the morning. .TUESDAY NIGHT...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. $$ LMZ541-191000- Rock Island Passage to Sturgeon Bay WI- 156 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...S wind 15 to 25 kts veering SW 10 to 15 kts mid-day, then veering NW early in the afternoon. Waves 4 to 7 ft. A chance of showers in the morning. patchy dense fog. .TUESDAY NIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A chance of sprinkles in the evening. .WEDNESDAY...N wind 10 to 15 kts veering SE 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. $$ LMZ542-543-191000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 156 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of showers and a slight chance of thunderstorms. .TUESDAY...SW wind 15 to 25 kts veering W early in the afternoon. Waves 4 to 7 ft. Patchy dense fog in the morning. a slight chance of showers in the morning. .TUESDAY NIGHT...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 E in the late morning and afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday. Wave height forecast is for ice free areas.