554 FZUS51 KCLE 170131 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 931 PM EDT Thu Apr 16 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>144-170830- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 931 PM EDT Thu Apr 16 2026 .REST OF TONIGHT...West winds 10 knots or less becoming north. A chance of showers with a slight chance of thunderstorms late this evening. Patchy fog, then areas of dense fog late. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less becoming east. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East winds 5 to 15 knots becoming south 15 to 20 knots. A chance of showers overnight. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Sunday through Tuesday. The water temperature off Toledo is 50 degrees, off Cleveland 46 degrees, and off Erie 48 degrees. $$ LEZ145>149-170830- Vermilion to Avon Point OH-Avon Point to Willowick OH- Willowick to Geneva-on-the Lake OH-Geneva-on-the- Lake to Conneaut OH-Conneaut OH to Ripley NY- 931 PM EDT Thu Apr 16 2026 .REST OF TONIGHT...West winds 10 knots or less. A chance of showers with a slight chance of thunderstorms late this evening, then a slight chance of showers after midnight. Patchy dense fog late this evening, then areas of dense fog after midnight. Waves 2 feet or less. .FRIDAY...Northwest winds less than 10 knots becoming north. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast winds 10 knots or less becoming south 10 to 15 knots. A chance of showers overnight. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming southwest. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Sunday through Tuesday. The water temperature off Toledo is 50 degrees, off Cleveland 46 degrees, and off Erie 48 degrees. $$  657 FZUS53 KGRB 170137 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 836 PM CDT Thu Apr 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-170400- 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- 836 PM CDT Thu Apr 16 2026 .TONIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog in the evening, then widespread dense fog after midnight. .FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 to 4 ft. Areas of dense fog in the morning. A Small Craft Advisory may be needed. .FRIDAY NIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A chance of thunderstorms in the evening. Rain showers. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of showers. $$ LMZ541-170400- Rock Island Passage to Sturgeon Bay WI- 836 PM CDT Thu Apr 16 2026 .TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Areas of fog in the evening, then widespread dense fog after midnight. .FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Areas of dense fog in the morning. .FRIDAY NIGHT...S wind 15 to 25 kts veering SW after midnight. Waves 4 to 7 ft. Rain showers and a chance of thunderstorms. .SATURDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late morning and afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A chance of showers. $$ LMZ542-543-170400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 836 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT FRIDAY... .TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog in the evening, then widespread dense fog after midnight. .FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Areas of dense fog in the morning. .FRIDAY NIGHT...S wind to 30 kts veering W 15 to 25 kts after midnight. Waves 4 to 7 ft. A chance of thunderstorms in the evening. Rain showers. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A chance of showers. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.  202 FZUS53 KLOT 170158 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 858 PM CDT Thu Apr 16 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-170915- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 858 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TONIGHT...Northeast winds less than 10 kt becoming southeast late. Widespread dense fog. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 15 kt increasing to 15 to 25 kt. Widespread dense fog in the morning. Waves 1 to 2 ft building to 2 to 4 ft. .FRIDAY NIGHT...South winds 15 to 20 kt becoming southwest overnight. Showers and thunderstorms. Waves 3 to 5 ft subsiding to 2 to 4 ft. .SATURDAY...West winds 15 to 25 kt. Slight chance of showers in the morning. Waves 1 to 3 ft. $$ LMZ743>745-170915- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 858 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TONIGHT...Variable winds at less than 10 becoming southeast at 10 kt by daybreak. Widespread dense fog. Waves around 1 ft. .FRIDAY...Southeast winds 10 to 15 kt becoming south and increasing to 15 to 25 kt. Widespread dense fog in the morning. Waves 1 to 3 ft. .FRIDAY NIGHT...South winds 20 to 25 kt becoming southwest 15 to 20 kt overnight. Showers and thunderstorms. Waves 2 to 4 ft. .SATURDAY...West winds 15 to 25 kt. Chance of showers in the morning. Waves 2 to 4 ft. $$ Borchardt