FZUS53 KGRB 251825 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 125 PM CDT Wed Mar 25 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-252200- 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- 125 PM CDT Wed Mar 25 2026 .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...SW wind 5 to 10 kts veering N in the late evening and overnight. Waves 2 ft or less. Patchy fog after midnight. .THURSDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Patchy fog in the morning. a chance of light freezing rain in the morning. A chance of light rain. .THURSDAY NIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft. Mostly cloudy. $$ LMZ541-252200- Rock Island Passage to Sturgeon Bay WI- 125 PM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .THIS AFTERNOON...S wind 10 to 20 kts. Waves 4 to 7 ft. Mostly cloudy. .TONIGHT...SW wind 5 to 10 kts veering N in the late evening and overnight. Waves 4 to 7 ft subsiding to 2 to 4 ft after midnight. Patchy fog after midnight. .THURSDAY...NE wind 5 to 10 kts backing N 10 to 20 kts early in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Patchy fog in the morning. light rain likely and a chance of light freezing rain in the morning, then a chance of light rain in the afternoon. .THURSDAY NIGHT...N wind 15 to 25 kts. Waves 3 to 5 ft. Mostly cloudy in the evening then becoming partly cloudy. A Small Craft Advisory may be needed. $$ LMZ542-543-252200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 125 PM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .THIS AFTERNOON...S wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 3 to 5 ft. Partly cloudy. .TONIGHT...SW wind 5 to 10 kts veering NW, then veering N after midnight. Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. Partly cloudy in the evening then becoming mostly cloudy. .THURSDAY...NE wind 10 to 15 kts backing N 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. A chance of light rain. .THURSDAY NIGHT...N wind to 30 kts. Waves 5 to 8 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.