FZUS53 KGRB 271336 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 836 AM CDT Fri Mar 27 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-271600- 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 AM CDT Fri Mar 27 2026 .TODAY...NW wind 5 to 10 kts backing W in the late morning and afternoon. Waves 2 ft or less. Scattered flurries in the morning, then scattered snow showers in the afternoon. .TONIGHT...NW wind 10 to 15 kts backing W 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear. .SATURDAY...SW wind 10 to 15 kts backing S early in the afternoon. Waves 2 ft or less. Partly cloudy in the morning then becoming mostly cloudy. .SATURDAY NIGHT...S wind 10 to 15 kts veering SW after midnight. Waves 2 ft or less. Mostly cloudy. $$ LMZ541-271600- Rock Island Passage to Sturgeon Bay WI- 836 AM CDT Fri Mar 27 2026 .TODAY...N wind 5 to 10 kts backing W in the late morning and afternoon. Waves 2 to 4 ft. Scattered snow showers in the afternoon. .TONIGHT...NW wind 10 to 15 kts backing W after midnight. Waves 1 to 3 ft. A slight chance of light snow in the evening. .SATURDAY...SW wind 10 to 15 kts backing S 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 4 to 7 ft in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts after midnight. Waves 4 to 7 ft. Mostly cloudy. $$ LMZ542-543-271600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 836 AM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...NW wind 5 to 10 kts backing W early in the afternoon. Waves 4 to 7 ft subsiding to 1 to 3 ft in the afternoon. Scattered snow showers in the afternoon. .TONIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of light snow in the evening. .SATURDAY...W wind 10 to 15 kts backing SW mid-day, then backing S 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 4 to 7 ft in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts after midnight. Waves 4 to 7 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.