FZUS53 KGRB 231613 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1113 AM CDT Mon Mar 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-232200- 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- 1113 AM CDT Mon Mar 23 2026 .THIS AFTERNOON...NW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. Mostly sunny. .TONIGHT...S wind 10 to 15 kts veering SW after midnight. Waves 2 ft or less. A slight chance of light snow after midnight. .TUESDAY...SW wind 10 to 15 kts backing S 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly cloudy. .TUESDAY NIGHT...S wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. $$ LMZ541-232200- Rock Island Passage to Sturgeon Bay WI- 1113 AM CDT Mon Mar 23 2026 .THIS AFTERNOON...NW wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy during the morning then clearing. .TONIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 3 to 5 ft after midnight. A slight chance of light snow after midnight. A Small Craft Advisory may be needed. .TUESDAY...SW wind 10 to 20 kts backing S 10 to 15 kts early in the afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may be needed. .TUESDAY NIGHT...S wind 10 to 15 kts. Waves 2 to 4 ft. Mostly cloudy. $$ LMZ542-543-232200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1113 AM CDT Mon Mar 23 2026 .THIS AFTERNOON...N wind 10 to 15 kts veering NE 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .TONIGHT...S wind 15 to 25 kts. Waves 2 ft or less building to 3 to 5 ft after midnight. Clear in the evening then becoming mostly cloudy. A Small Craft Advisory may be needed. .TUESDAY...S wind 10 to 20 kts. Waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may be needed. .TUESDAY NIGHT...S wind 10 to 15 kts. Waves 2 to 4 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.