FZUS53 KGRB 280239 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 939 PM CDT Fri Mar 27 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-281000- 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- 939 PM CDT Fri Mar 27 2026 .REST OF 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...SW wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .SUNDAY...SW wind 10 to 15 kts backing S 5 to 10 kts early in the afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ541-281000- Rock Island Passage to Sturgeon Bay WI- 939 PM CDT Fri Mar 27 2026 .REST OF TONIGHT...NW wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. A slight chance of snow showers early in the evening. .SATURDAY...SW wind 10 to 15 kts backing S 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 4 to 7 ft in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft after midnight. Mostly cloudy. .SUNDAY...SW wind 10 to 15 kts backing S early in the afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon. Partly sunny. A Small Craft Advisory may be needed. $$ LMZ542-543-281000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 939 PM CDT Fri Mar 27 2026 .REST OF TONIGHT...N wind 15 to 25 kts backing NW 10 to 15 kts in the late evening and overnight. Waves 2 to 4 ft. A slight chance of snow showers early 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. Mostly sunny in the morning then becoming mostly cloudy. .SATURDAY NIGHT...SW wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy. .SUNDAY...SW wind 10 to 15 kts backing S early in the afternoon. Waves 2 to 4 ft. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.