Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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147 FZUS53 KGRB 201156 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 656 AM CDT Thu Mar 20 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-202000- 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- 656 AM CDT Thu Mar 20 2025 ...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...N wind 15 to 25 kts with gusts to around 35 kts backing NW 10 to 15 kts in the afternoon. Patchy blowing snow in the morning. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Clear in the evening then becoming partly cloudy. Waves 2 ft or less. A Small Craft Advisory may be needed. .FRIDAY...SW wind 10 to 20 kts with gusts to around 30 kts. Mostly cloudy. Waves 2 ft or less. .FRIDAY NIGHT...N wind 10 to 20 kts with gusts to around 25 kts. A chance of light snow and light rain in the evening. Waves 2 ft or less. Wave height forecast is for ice free areas. $$ LMZ541-202000- Rock Island Passage to Sturgeon Bay WI- 656 AM CDT Thu Mar 20 2025 ...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...N wind to around 30 kts with gale force gusts to around 40 kts becoming NW 10 to 20 kts with a few gusts to around 25 kts in the afternoon. Partly sunny in the morning then clearing. Waves 4 to 7 ft subsiding to 2 ft or less. .TONIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Clear in the evening then becoming partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft early in the morning. .FRIDAY...SW wind 15 to 25 kts with gusts to around 30 kts. Mostly cloudy. Waves 4 to 7 ft. .FRIDAY NIGHT...NW wind 10 to 20 kts with gusts to around 25 kts. A chance of light snow and light rain in the evening. Waves 4 to 7 ft subsiding to 3 to 5 ft early in the morning. $$ LMZ542-543-202000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 656 AM CDT Thu Mar 20 2025 ...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...N wind to around 30 kts with gusts to around 35 kts becoming NW 10 to 20 kts with a few gusts to around 25 kts in the afternoon. Partly sunny in the morning then clearing. Waves 4 to 7 ft subsiding to 1 to 3 ft. .TONIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Mostly clear. Waves 1 to 3 ft. .FRIDAY...SW wind 15 to 25 kts with gusts to around 30 kts. Mostly cloudy. Waves 4 to 7 ft. .FRIDAY NIGHT...NW wind 10 to 20 kts veering N after midnight. Gusts to around 25 kts. A chance of light rain and light snow in the evening. Waves 3 to 5 ft. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.