FZUS53 KGRB 160656 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 156 AM CDT Thu Apr 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-161000- 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- 156 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of light rain and a slight chance of thunderstorms. .THURSDAY...NE wind 5 to 10 kts veering S early in the afternoon. Waves 2 ft or less. A chance of light rain 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. Mostly clear 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 1 to 3 ft. Mostly cloudy. A Small Craft Advisory may be needed. $$ LMZ541-161000- Rock Island Passage to Sturgeon Bay WI- 156 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of light rain. .THURSDAY...N wind 5 to 10 kts veering S early in the afternoon. Waves 2 ft or less. Areas of dense fog in the morning. a slight chance of light rain in the morning. .THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may be needed. $$ LMZ542-543-161000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 156 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of light rain and a slight chance of thunderstorms. .THURSDAY...N wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. A chance of light rain and a slight chance of 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. Mostly cloudy. .FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late morning and afternoon. Waves 2 to 4 ft building to 4 to 7 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.