727 FZUS51 KBUF 240203 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 PM EDT Sun Aug 23 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. LEZ020-240900- Upper Niagara River and Buffalo Harbor- 1003 PM EDT Sun Aug 23 2026 .REST OF TONIGHT...West winds 5 to 10 knots becoming southwest. A chance of showers. .MONDAY...Southwest winds 5 to 15 knots becoming west. Showers likely. .MONDAY NIGHT...West winds 5 to 10 knots. A chance of showers in the evening. .TUESDAY...West winds 5 to 10 knots. Mostly sunny. .TUESDAY NIGHT...West winds less than 10 knots. Partly cloudy. .WEDNESDAY...South winds 10 knots or less. Partly cloudy. .THURSDAY...South winds 10 knots or less becoming southwest. 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. $$ LOZ030-240900- Lower Niagara River- 1003 PM EDT Sun Aug 23 2026 .REST OF TONIGHT...West winds 5 to 10 knots becoming southwest. A chance of showers. .MONDAY...Southwest winds 10 to 15 knots becoming west. Showers likely. .MONDAY NIGHT...West winds 5 to 15 knots. A chance of showers in the evening. .TUESDAY...West winds 5 to 10 knots. Mostly sunny. .TUESDAY NIGHT...West winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. .THURSDAY...South winds 5 to 15 knots becoming west less than 10 knots. A chance of showers and thunderstorms. .FRIDAY...West winds 10 knots or less becoming northwest. Partly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-240900- Buffalo to Ripley along Lake Erie- 1003 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .REST OF TONIGHT...West winds 5 to 15 knots becoming southwest. A chance of waterspouts. Showers with a chance of thunderstorms, then showers late. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...West winds 15 to 20 knots. A chance of waterspouts. Showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of waterspouts. Showers. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 15 knots becoming west. A chance of waterspouts. Showers. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY NIGHT...West winds 10 knots or less becoming southwest. Becoming mainly clear. Waves 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 15 knots becoming southwest. A chance of showers and thunderstorms. Waves 2 feet or less. .FRIDAY...West winds 10 knots or less becoming north. A chance of showers during the day. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-240900- Niagara River to Hamlin Beach along Lake Ontario- 1003 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...West winds 15 to 20 knots becoming southwest. A chance of waterspouts. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 15 to 20 knots becoming west. A chance of waterspouts. Showers likely. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...West winds 15 to 20 knots. A chance of waterspouts. Showers likely in the evening, then showers overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of waterspouts. Showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY NIGHT...West winds 10 knots or less. Becoming mainly clear. Waves 2 feet or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots becoming west. A chance of showers and thunderstorms. Waves 2 feet or less. .FRIDAY...West winds 5 to 15 knots becoming northwest. Partly cloudy. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043-240900- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1003 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...Southwest winds 10 to 15 knots. A chance of showers and thunderstorms late this evening. A chance of waterspouts. Waves 2 to 4 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of waterspouts. Showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY NIGHT...West winds 15 to 20 knots. 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...West winds 15 to 20 knots. A chance of waterspouts. Showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TUESDAY NIGHT...West winds 5 to 15 knots. A chance of waterspouts in the evening. 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. A chance of showers and thunderstorms. Waves 1 foot or less. .FRIDAY...West winds 5 to 15 knots becoming northwest. Partly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 60 degrees. $$ LOZ044-240900- Sodus Bay to Mexico Bay along Lake Ontario- 1003 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of waterspouts. Showers likely with a chance of thunderstorms late this evening, then showers likely after midnight. A chance of showers late. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of waterspouts. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots becoming west. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 6 feet. Waves occasionally around 7 feet. .TUESDAY...West winds 15 to 20 knots. A chance of waterspouts. Showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TUESDAY NIGHT...West winds 5 to 15 knots. A chance of waterspouts in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming southeast 10 to 15 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. A chance of showers during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 1 foot or less. .FRIDAY...Southwest winds 5 to 10 knots becoming northwest. A chance of showers during the day. Waves 2 feet or less. Winds and waves higher in and near thunderstorms.$$ LOZ045-240900- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1003 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...West winds 15 to 20 knots becoming southwest. A chance of waterspouts. Showers with a chance of thunderstorms late this evening, then showers after midnight. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 15 to 20 knots. A chance of waterspouts. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY NIGHT...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. Waves occasionally around 7 feet. .TUESDAY...West winds 10 to 15 knots. A chance of waterspouts. Showers likely in the morning, then a chance of showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY NIGHT...West winds 5 to 15 knots becoming southwest less than 10 knots. A chance of waterspouts in the evening. A chance of showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming southeast and increasing to 15 to 20 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less. .THURSDAY...South winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers during the day, then showers with a chance of thunderstorms Thursday night. Waves 1 to 3 feet. .FRIDAY...Southwest winds 5 to 10 knots becoming northwest. A chance of showers during the day. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$  267 FZUS53 KMKX 240210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 910 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-241000- Sheboygan to Port Washington WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...North wind 10 to 15 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots becoming north 5 to 10 knots early in the afternoon, then veering northeast late in the afternoon. Sunny. Waves around 1 foot. .MONDAY NIGHT...Southeast wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves nearly calm. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon. $$ LMZ644-241000- Port Washington to North Point Light WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...North wind 5 to 10 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .MONDAY...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. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in the evening, then veering west after midnight becoming west 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon becoming south 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ645-241000- North Point Light to Wind Point WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots early in the afternoon veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in the evening, then becoming southwest 5 to 10 knots after midnight veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ646-241000- Wind Point WI to Winthrop Harbor IL- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering south late in the evening, then veering southwest after midnight veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.  358 FZUS53 KGRB 240238 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 938 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 938 PM CDT Sun Aug 23 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541>543-241000- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 938 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.  499 FZUS53 KLOT 240242 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 942 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-240930- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 942 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest winds 10 to 15 kt diminishing to 5 to 10 kt. Mostly clear. Waves 1 to 3 ft. .MONDAY...Northwest winds 10 to 15 kt becoming northeast in the afternoon. Increasing cloudiness. Waves 1 to 2 ft. .MONDAY NIGHT...East winds around 10 kt becoming southwest less than 10 kt overnight. Decreasing cloudiness. Waves 1 to 2 ft. .TUESDAY...Southwest winds less than 10 kt becoming southeast 10 to 15 kt in the afternoon. Increasing cloudiness. Waves 1 to 2 ft. $$ LMZ743>745-240930- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 942 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest winds 5 to 10 kt. Mostly clear. Waves 2 to 4 ft. .MONDAY...Northwest winds 10 to 15 kt becoming north in the afternoon. Increasing cloudiness. Waves 1 to 3 ft. .MONDAY NIGHT...East winds around 10 kt becoming southwest less than 10 kt overnight. Decreasing cloudiness. Waves 1 to 2 ft. .TUESDAY...South winds less than 10 kt becoming southeast 10 to 15 kt in the afternoon. Mostly sunny. Waves around 1 ft. $$ Borchardt  683 FZUS53 KIWX 240247 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 1047 PM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-240830- Michigan City IN to New Buffalo MI- 1047 PM EDT Sun Aug 23 2026 .OVERNIGHT...North winds 5 to 10 knots becoming northwest. Partly cloudy. Waves 2 to 3 feet. .MONDAY...Northwest winds 10 knots or less becoming north. Sunny. Waves around 2 feet. .MONDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Light and variable winds. Sunny. Waves 1 foot or less. The water temperature at Michigan City is 73 degrees. $$ LMZ043-240830- New Buffalo MI to St Joseph MI- 1047 PM EDT Sun Aug 23 2026 .OVERNIGHT...North winds 10 knots or less. Partly cloudy. Waves 2 to 3 feet. .MONDAY...Northwest winds 10 knots or less. Sunny. Waves around 2 feet. .MONDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Light and variable winds. Sunny. Waves 1 foot or less. The water temperature at Michigan City is 73 degrees. $$  794 FZUS53 KAPX 240251 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 1051 PM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-241100- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .OVERNIGHT...Northwest wind 15 to 25 knots. Chance of rain early in the evening, then slight chance of rain after midnight. Waves 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 4 to 6 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. .TUESDAY...Light winds. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LSZ322-241100- St. Marys River Point Iroquois to E. Potagannissing Bay- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .OVERNIGHT...Northwest wind 15 to 25 knots. Rain likely early in the evening, then chance of rain after midnight. .MONDAY...Northwest wind 10 to 20 knots. Mostly cloudy. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. .TUESDAY...Light winds. Mostly sunny. See the open lakes forecast for days 3 through 5. $$ LMZ341-241100- Seul Choix Point to 5NM West of Mackinac Bridge- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Slight chance of rain. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ342-241100- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Slight chance of rain. Waves 4 to 6 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 3 to 5 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ323-241100- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Slight chance of rain. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet. .MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ345-241100- Point Betsie to Sleeping Bear Point MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT MONDAY... .OVERNIGHT...Northwest wind 15 to 25 knots decreasing to 10 to 15 knots early in the morning. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-241100- Sleeping Bear Point to Grand Traverse Light MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Slight chance of rain after midnight. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet. .MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-241100- Manistee to Point Betsie MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT MONDAY... .OVERNIGHT...Northwest wind 15 to 25 knots. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-241100- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Chance of rain. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ346-241100- St Ignace to False Detour Channel- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots. Chance of rain. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 3 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ347-241100- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 1051 PM EDT Sun Aug 23 2026 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT MONDAY THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots with gusts to around 35 knots. Chance of rain. Waves 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY...Northwest wind 15 to 25 knots. Isolated showers. Waves 4 to 7 feet. .MONDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ348-241100- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 1051 PM EDT Sun Aug 23 2026 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT MONDAY THROUGH MONDAY EVENING... .OVERNIGHT...Northwest wind 15 to 25 knots with gusts to around 35 knots. Rain likely. Waves 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY...Northwest wind 15 to 25 knots. Isolated showers. Waves 4 to 7 feet. .MONDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .TUESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ349-241100- Sturgeon Pt to Alabaster MI- 1051 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .OVERNIGHT...Northwest wind 15 to 25 knots. Chance of rain. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Isolated showers. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. .TUESDAY...South wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ FEF