299 FZUS51 KBUF 240803 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 403 AM EDT Mon Aug 24 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. LEZ020-241500- Upper Niagara River and Buffalo Harbor- 403 AM EDT Mon Aug 24 2026 .TODAY...Southwest winds 5 to 15 knots becoming west. A chance of showers early, then showers likely from late morning on. .TONIGHT...West winds 5 to 10 knots. A chance of showers in the evening. .TUESDAY...West winds 5 to 10 knots. Partly to mostly sunny. .TUESDAY NIGHT...West winds less than 10 knots. Partly cloudy. .WEDNESDAY...South winds 10 knots or less. Partly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming west. A chance of showers and thunderstorms. .FRIDAY...West winds less than 10 knots. Partly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 76 degrees. $$ LOZ030-241500- Lower Niagara River- 403 AM EDT Mon Aug 24 2026 .TODAY...Southwest winds 5 to 15 knots becoming west. Showers likely this morning, then a chance of showers this afternoon. .TONIGHT...West winds 5 to 15 knots. A chance of showers in the evening. .TUESDAY...West winds 5 to 10 knots. Becoming mostly sunny. .TUESDAY NIGHT...Light and variable winds. Partly cloudy. .WEDNESDAY...South winds 10 knots or less. Partly to mostly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming west. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Thursday night. .FRIDAY...West winds 10 knots or less becoming north. Partly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-241500- Buffalo to Ripley along Lake Erie- 403 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. Showers likely. Waves 3 to 5 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest 5 to 15 knots. A chance of waterspouts. Showers likely in the evening, then a chance of showers overnight. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 10 knots becoming west. A chance of waterspouts in the morning. A chance of showers in the morning. Waves 2 feet or less. .TUESDAY NIGHT...West winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...South winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .THURSDAY...Southwest winds 5 to 15 knots diminishing to less than 10 knots. A chance of showers and thunderstorms. Waves 2 feet or less. .FRIDAY...West winds less than 10 knots becoming northeast. A chance of showers during the day. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-241500- Niagara River to Hamlin Beach along Lake Ontario- 403 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TODAY...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. Showers likely early, then showers from late morning on. Waves 1 to 3 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots. A chance of waterspouts. Showers likely in the evening, then a chance of showers overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 10 to 15 knots becoming west. A chance of waterspouts in the morning. A chance of showers. Waves 1 to 3 feet. .TUESDAY NIGHT...West winds 10 knots or less becoming southwest. Mainly clear in the evening, then becoming partly cloudy. Waves 2 feet or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. .THURSDAY...Southwest winds 5 to 15 knots becoming west. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Thursday night. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-241500- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 403 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TODAY...Southwest winds 15 to 20 knots. A chance of showers through early afternoon, then showers late. A chance of waterspouts from late morning on. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots. A chance of waterspouts. Showers. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of waterspouts in the morning. Showers likely in the morning, then a chance of showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY NIGHT...West winds 10 knots or less. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 10 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 foot or less. .FRIDAY...West winds 5 to 10 knots becoming northwest. Becoming mainly clear. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 60 degrees. $$ LOZ044-241500- Sodus Bay to Mexico Bay along Lake Ontario- 403 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of waterspouts. A chance of showers this morning, then showers with a chance of thunderstorms this afternoon. Waves 2 to 4 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Northwest winds 10 to 15 knots becoming west. A chance of waterspouts in the morning. Showers in the morning, then a chance of showers in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...West winds 5 to 15 knots becoming southwest less than 10 knots. A chance of showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming south 10 to 15 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 foot or less. .FRIDAY...West winds 5 to 10 knots becoming northwest. Becoming mainly clear. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ045-241500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 403 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TODAY...Southwest winds 15 to 20 knots. A chance of waterspouts. Showers this morning, then showers with a chance of thunderstorms this afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 15 knots becoming west. A chance of waterspouts in the morning. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY NIGHT...West winds 5 to 10 knots becoming light and variable. A chance of showers in the evening. Waves 2 feet or less. .WEDNESDAY...South winds 5 to 10 knots increasing to 15 to 20 knots. Partly cloudy. Waves 1 foot or less building to 1 to 3 feet. .THURSDAY...South winds 15 to 20 knots becoming southwest 5 to 15 knots. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 1 to 3 feet. .FRIDAY...Southwest winds 5 to 10 knots becoming north. A chance of showers during the day. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$  235 FZUS53 KLOT 240802 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 302 AM CDT Mon Aug 24 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-241530- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 302 AM CDT Mon Aug 24 2026 .TODAY...Northwest winds 10 to 15 kt becoming northeast in the afternoon. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...East winds 5 to 10 kt becoming south overnight. Partly cloudy in the evening, then becoming mostly clear. Waves 1 to 2 ft. .TUESDAY...Southwest winds 5 to 10 kt becoming southeast 10 to 15 kt in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft. .TUESDAY NIGHT...South winds 10 to 15 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 ft. $$ LMZ743>745-241530- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 302 AM CDT Mon Aug 24 2026 .TODAY...Southwest winds 10 to 15 kt becoming northwest by mid- morning, then northeast in the afternoon. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...Northeast winds 5 to 10 kt becoming south overnight. Mostly clear. Waves 1 to 3 ft. .TUESDAY...South winds 5 to 10 kt becoming southeast in the afternoon. Mostly sunny. Waves 1 to 2 ft. .TUESDAY NIGHT...South winds 10 to 15 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 ft. $$ Yack  934 FZUS53 KMKX 240810 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 AM CDT Mon Aug 24 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-242100- Sheboygan to Port Washington WI- 310 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...North wind 10 to 15 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots early in the afternoon, then veering north late in the afternoon. Mostly sunny. Waves around 1 foot. .TONIGHT...South wind 5 to 10 knots veering west after midnight. Partly cloudy. Waves nearly calm. .TUESDAY...Southwest wind 5 to 10 knots becoming south 10 to 20 knots early in the afternoon, then becoming 15 to 20 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves around 1 foot building to 3 to 4 feet late in the afternoon. .TUESDAY NIGHT...South wind 15 to 20 knots veering southwest early in the morning. Gusts up to 25 knots. Slight chance of showers through around midnight, then chance of showers and slight chance of thunderstorms after midnight. Waves 3 to 4 feet. $$ LMZ644-242100- Port Washington to North Point Light WI- 310 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...North wind 5 to 10 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .TODAY...Northwest wind 5 to 10 knots veering north late in the afternoon. Mostly sunny. Waves around 1 foot. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves around 1 foot. .TUESDAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots early in the afternoon, then rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon. .TUESDAY NIGHT...South wind 10 to 20 knots becoming 10 to 15 knots late in the evening, then becoming south 10 to 15 knots after midnight veering southwest early in the morning. Chance of showers and slight chance of thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. $$ LMZ645-242100- North Point Light to Wind Point WI- 310 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...North wind 5 to 10 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .TODAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots veering southwest late in the evening, then becoming southwest 5 to 10 knots after midnight. Mostly clear. Waves around 1 foot. .TUESDAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 20 knots in the afternoon. Partly sunny. Waves around 1 foot. .TUESDAY NIGHT...South wind 10 to 15 knots veering southwest early in the morning. Chance of showers and slight chance of thunderstorms after midnight. Waves 1 to 2 feet. $$ LMZ646-242100- Wind Point WI to Winthrop Harbor IL- 310 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...Northwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .TODAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots early in the afternoon veering northeast late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots becoming southwest late in the evening, then rising to 5 to 10 knots after midnight. Mostly clear. Waves around 1 foot. .TUESDAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Partly sunny. Waves around 1 foot. .TUESDAY NIGHT...South wind 10 to 15 knots veering southwest early in the morning. Slight chance of showers and thunderstorms after midnight. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.  482 FZUS53 KGRB 240818 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 318 AM CDT Mon Aug 24 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 318 AM CDT Mon Aug 24 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM SUNDAY EVENING THROUGH THIS MORNING... .EARLY THIS MORNING...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .TODAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny. .TONIGHT...SE wind 5 to 10 kts veering S after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 2 to 4 ft after midnight. A chance of showers in the evening. Showers likely after midnight. A Small Craft Advisory may be needed. $$ LMZ541>543-241600- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 318 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...NW wind 10 to 15 kts. Waves 2 ft or less. Clear. .TODAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .TONIGHT...SE wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Partly sunny. A Small Craft Advisory may be needed. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 3 to 5 ft. A chance of showers in the evening. Showers likely after midnight. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.  222 FZUS53 KGRB 240856 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 356 AM CDT Mon Aug 24 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 356 AM CDT Mon Aug 24 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM SUNDAY EVENING THROUGH THIS MORNING... .EARLY THIS MORNING...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .TODAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny. .TONIGHT...SE wind 5 to 10 kts veering S after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 2 to 4 ft after midnight. A chance of showers in the evening. Showers likely after midnight. A Small Craft Advisory may be needed. $$ LMZ541>543-241600- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 356 AM CDT Mon Aug 24 2026 .EARLY THIS MORNING...NW wind 10 to 15 kts. Waves 2 ft or less. Clear. .TODAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .TONIGHT...SE wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Partly sunny. A Small Craft Advisory may be needed. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 3 to 5 ft. A chance of showers in the evening. Showers likely after midnight. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.