Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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887 FZUS53 KGRB 091721 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1221 PM CDT Sat May 9 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-092200- 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- 1221 PM CDT Sat May 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...W wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly clear. .SUNDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...NE wind 5 to 10 kts backing NW after midnight. Waves 2 ft or less. Mostly clear. $$ LMZ541-092200- Rock Island Passage to Sturgeon Bay WI- 1221 PM CDT Sat May 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .TONIGHT...N wind 5 to 10 kts backing NW 10 to 15 kts after midnight. Waves 2 ft or less. Mostly clear. .SUNDAY...NW wind 5 to 10 kts veering NE early in the afternoon. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...NE wind around 5 kts backing NW after midnight. Waves 2 ft or less. Mostly clear. $$ LMZ542-543-092200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1221 PM CDT Sat May 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .THIS AFTERNOON...W wind 10 to 15 kts. Waves 1 to 3 ft. Cloudy late in the morning then becoming partly sunny. .TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly clear. .SUNDAY...NW wind 10 to 15 kts veering NE 5 to 10 kts early in the afternoon. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...NE wind 5 to 10 kts backing N after midnight. Waves 2 ft or less. Partly cloudy in the evening then clearing. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.