326 FZUS53 KGRB 231918 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 218 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-232200- 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- 218 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...N wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 2 to 4 ft. Partly sunny. .TONIGHT...N 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 2 ft or less. Sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Mostly clear. $$ LMZ541>543-232200- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 218 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...N wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. .TONIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.  898 FZUS53 KGRR 231936 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 336 PM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-240800- Pentwater to Manistee MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 3 to 5 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots veering southwest 10 to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Waves 5 to 7 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .FRIDAY...North winds 5 to 15 knots. Sunny. Waves around 1 foot. $$ LMZ848-240800- Whitehall to Pentwater MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering northeast around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South winds 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds 20 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 5 to 7 feet. .THURSDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds 10 to 15 knots. Sunny. Waves around 1 foot. $$ LMZ847-240800- Grand Haven to Whitehall MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .TONIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and overnight. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 20 knots veering north 5 to 10 knots in the late evening and early morning, then veering northeast after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves around 1 foot. .TUESDAY NIGHT...South winds 15 to 25 knots. Partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .WEDNESDAY...South winds 20 to 25 knots. Partly sunny with a chance of showers and thunderstorms. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. .FRIDAY...North winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ846-240800- Holland to Grand Haven MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. Waves 5 to 7 feet. .TONIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late eveningand overnight. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...Northwest winds 10 to 20 knots becoming north around 5 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots veering southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...South winds 15 to 25 knots. Partly sunny with rain showers likely and a chance of thunderstorms. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. .FRIDAY...North winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ845-240800- South Haven to Holland MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 5 to 7 feet. .TONIGHT...North winds 10 to 20 knots. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet after midnight. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...North winds 5 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...East winds around 5 knots veering south in the late morning and early afternoon, then veering west early in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 10 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...South winds 15 to 25 knots. Partly sunny with rain showers likely and a chance of thunderstorms. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds around 10 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ844-240800- St Joseph to South Haven MI- 336 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THROUGH EARLY EVENING...Northwest winds 15 to 25 knots. Sunny. Waves 5 to 7 feet. .TONIGHT...North winds 10 to 20 knots decreasing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. .MONDAY...Northwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .TUESDAY...Northwest winds around 5 knots backing southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 5 to 15 knots. Partly cloudy. Waves around 1 foot. .WEDNESDAY...South winds 15 to 20 knots. Partly sunny. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .FRIDAY...North winds around 10 knots. Sunny. Waves around 1 foot. $$  015 FZUS53 KDTX 231939 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 339 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. LHZ422-240345- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Waves 2 to 4 feet. .MONDAY...West winds 20 to 25 knots becoming northwest 15 to 20 knots early in the afternoon. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. .MONDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Northwest winds 5 to 10 knots backing to the south early in the afternoon. Mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-240345- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots early in the evening. Partly cloudy in the evening becoming cloudy. A slight chance of showers. Waves 4 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy with a slight chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 10 knots backing to the south early in the afternoon. Partly cloudy early in the morning then clearing. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-240345- Port Austin to Harbor Beach MI- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots early in the evening. Partly cloudy with a chance of showers and a slight chance of thunderstorms in the evening, then cloudy with showers likely and a slight chance of thunderstorms after midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy. A slight chance of showers early in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then veering to the northeast early in the afternoon. Mostly cloudy early in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-240345- Harbor Beach to Port Sanilac MI- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest winds 15 to 20 knots. Partly cloudy in the evening becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms. Waves 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots in the late morning and early afternoon. Mostly cloudy. A chance of showers early in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Partly cloudy early in the morning then clearing. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-240345- Port Sanilac to Port Huron MI- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest winds 15 to 20 knots. Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Waves 2 to 4 feet. .MONDAY...West winds 15 to 20 knots. Mostly cloudy. A slight chance of showers early in the morning. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming mostly clear. Waves 1 to 3 feet. .TUESDAY...Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-240345- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 339 PM EDT Sun Aug 23 2026 .TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming southwest 5 to 10 knots early in the afternoon. Mostly sunny. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 71 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  979 FZUS53 KIWX 231938 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 338 PM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-240215- Michigan City IN to New Buffalo MI- 338 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...Northwesterly winds 10 to 15 knots decreasing to 10 knots or less. Mostly clear. Waves 2 to 4 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. $$ LMZ043-240215- New Buffalo MI to St Joseph MI- 338 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...Northwesterly winds 10 to 15 knots decreasing to less than 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 3 feet. .MONDAY...Northwest winds 10 knots or less. Sunny. Waves 2 to 3 feet. .MONDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 1 to 3 feet. .TUESDAY...Light and variable winds. Sunny. Waves 1 foot or less. The water temperature at Michigan City is 73 degrees. $$ Andersen  125 FZUS53 KGRB 231941 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 241 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-232200- 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- 241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...N wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 2 to 4 ft. Partly sunny. .TONIGHT...N 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 2 ft or less. Sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Mostly clear. $$ LMZ541>543-232200- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...N wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. .TONIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.  241 FZUS51 KCLE 231944 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 344 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. LEZ142-143-240215- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- 344 PM EDT Sun Aug 23 2026 .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of waterspouts early. A slight chance of showers and thunderstorms early. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .MONDAY...West winds 15 to 20 knots. Sunny. Waves 1 to 3 feet. .MONDAY NIGHT...West winds 15 to 20 knots becoming northwest 5 to 15 knots. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...Northwest winds 10 knots or less becoming northeast. Sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Wednesday through Friday. The water temperature off Toledo is 76 degrees, off Cleveland 76 degrees, and off Erie 76 degrees. $$ LEZ144-145-240215- The Islands to Vermilion OH-Vermilion to Avon Point OH- 344 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of waterspouts this evening. A chance of showers and thunderstorms this evening. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .MONDAY...West winds 15 to 20 knots. Mostly sunny. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY NIGHT...West winds 15 to 20 knots becoming northwest 5 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...West winds 10 knots or less becoming northwest. Sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Wednesday through Friday. The water temperature off Toledo is 76 degrees, off Cleveland 76 degrees, and off Erie 76 degrees. $$ LEZ146>149-240215- Avon Point to Willowick OH-Willowick to Geneva-on-the Lake OH- Geneva-on-the-Lake to Conneaut OH-Conneaut OH to Ripley NY- 344 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TONIGHT...West winds 15 to 25 knots. A chance of waterspouts. Showers with a chance of thunderstorms this evening, then a chance of showers and thunderstorms after midnight. A slight chance of showers late. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .MONDAY...West winds 15 to 25 knots. A chance of waterspouts. A chance of showers. Waves 3 to 5 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of showers in the evening. A chance of waterspouts. 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. Mostly sunny. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Wednesday through Friday. The water temperature off Toledo is 76 degrees, off Cleveland 76 degrees, and off Erie 76 degrees. $$  826 FZUS53 KLOT 231958 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 258 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740-240315- Winthrop Harbor to Wilmette Harbor IL- 258 PM CDT Sun Aug 23 2026 .LATE THIS AFTERNOON...Northwest winds 10 to 20 kt. Partly cloudy. Waves 2 to 4 ft. .TONIGHT...Northwest winds 10 to 15 kt. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft. .MONDAY...Northwest winds around 5 kt becoming northeast around 10 kt late. Mostly sunny. Waves 1 to 3 ft. .MONDAY NIGHT...East winds around 10 kt becoming southwest less than 10 kt overnight. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. .TUESDAY...Southwest winds less than 10 kt becoming southeast 10 to 15 kt in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft. $$ LMZ741>743-240315- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 258 PM CDT Sun Aug 23 2026 .LATE THIS AFTERNOON...Northeast winds 10 to 15 kt. Partly cloudy. Waves 2 to 4 ft. .TONIGHT...Northeast winds around 10 kt becoming northwest late. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft. .MONDAY...West winds around 5 kt becoming northeast late. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 3 ft. .MONDAY NIGHT...East winds around 10 kt becoming southwest less than 10 kt overnight. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. .TUESDAY...South winds less than 10 kt becoming southeast around 10 kt in the afternoon. Mostly sunny. Waves around 1 ft. $$ LMZ744-745-240315- Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 258 PM CDT Sun Aug 23 2026 .LATE THIS AFTERNOON...Northeast winds 10 to 20 kt. Mostly sunny. Waves 3 to 5 ft. .TONIGHT...North winds around 10 kt becoming northwest late. Mostly clear. Waves 3 to 5 ft subsiding to 2 to 4 ft. .MONDAY...West winds around 5 kt becoming north late. Mostly sunny. Waves 1 to 3 ft. .MONDAY NIGHT...Northeast winds around 10 kt becoming south less than 10 kt overnight. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. .TUESDAY...South winds less than 10 kt becoming southeast in the afternoon. Mostly sunny. Waves around 1 ft. $$ - Izzi