Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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704 FZUS53 KGRB 312128 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 428 PM CDT Thu Jul 31 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-010100- 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- 428 PM CDT Thu Jul 31 2025 .REST OF THIS AFTERNOON...NE wind 10 to 20 kts. Patchy smoke. Waves 1 to 3 ft. .TONIGHT...NE wind 10 to 15 kts. Patchy smoke. Waves 2 ft or less. .FRIDAY...N wind 5 to 10 kts veering SE in the afternoon. Patchy smoke. Waves 2 ft or less. .FRIDAY NIGHT...SW wind 5 to 10 kts veering W after midnight. Patchy smoke. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing SW in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ541-010100- Rock Island Passage to Sturgeon Bay WI- 428 PM CDT Thu Jul 31 2025 .REST OF THIS AFTERNOON...NE wind 10 to 20 kts. Patchy smoke. Waves 1 to 3 ft. .TONIGHT...NE wind 10 to 15 kts. Patchy smoke. Waves 1 to 3 ft. .FRIDAY...N wind 5 to 10 kts veering SE in the afternoon. Patchy smoke. Waves 2 ft or less. .FRIDAY NIGHT...SW wind 5 to 10 kts. Patchy smoke. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing SW in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ542-543-010100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 428 PM CDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF THIS AFTERNOON...NE wind 10 to 20 kts with gusts to around 25 kts. Patchy smoke. Waves 3 to 5 ft. .TONIGHT...NE wind 10 to 20 kts. Gusts to around 25 kts in the evening. Patchy smoke. Waves 3 to 5 ft subsiding to 1 to 3 ft. .FRIDAY...N wind 5 to 10 kts veering NE in the afternoon. Patchy smoke. Waves 1 to 3 ft. .FRIDAY NIGHT...W wind 5 to 10 kts. Patchy smoke. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing S in the afternoon. Sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.