FZUS53 KGRB 160024 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 724 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-160400- 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- 724 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...E wind 5 to 10 kts backing NE in the late evening and overnight. Waves 2 ft or less. Areas of dense fog. a slight chance of thunderstorms in the evening. A chance of showers. .THURSDAY...NE wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. A slight chance of light rain in the morning. areas of dense fog in the morning, then patchy fog in the afternoon. .THURSDAY NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy. .FRIDAY...SE wind 10 to 15 kts veering S 15 to 25 kts early in the afternoon. Waves 1 to 3 ft. Mostly cloudy. A Small Craft Advisory may be needed. $$ LMZ541-160400- Rock Island Passage to Sturgeon Bay WI- 724 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...NE wind 5 to 10 kts backing N after midnight. Waves 2 ft or less. Areas of dense fog. a slight chance of thunderstorms in the evening. A chance of showers. .THURSDAY...NE wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Areas of dense fog in the morning. a slight chance of light rain in the morning. .THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may be needed. $$ LMZ542-543-160400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 724 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of showers and a slight chance of thunderstorms. .THURSDAY...N wind 5 to 10 kts veering NE early in the afternoon. Waves 2 ft or less. A slight chance of light rain and thunderstorms in the morning. areas of dense fog in the morning, then patchy fog in the afternoon. .THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday. Wave height forecast is for ice free areas.