Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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199 FZUS53 KGRB 182104 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 404 PM CDT Fri Apr 18 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-190100- 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- 404 PM CDT Fri Apr 18 2025 .REST OF THIS AFTERNOON...NE wind 5 to 10 kts. Patchy fog. Rain showers likely and a chance of thunderstorms. Waves 2 ft or less. .TONIGHT...N wind 10 to 20 kts backing NW 5 to 10 kts after midnight. Patchy fog in the evening. Rain showers likely and a chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Waves 2 ft or less. .SATURDAY...NW wind 5 to 10 kts. Partly sunny. Waves 2 ft or less. .SATURDAY NIGHT...E wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...E wind 5 to 10 kts. Partly sunny. Waves 2 ft or less. $$ LMZ541-190100- Rock Island Passage to Sturgeon Bay WI- 404 PM CDT Fri Apr 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF THIS AFTERNOON...NE wind 5 to 10 kts. Patchy fog. Rain showers likely and a chance of thunderstorms. Waves 3 to 5 ft. .TONIGHT...NW wind 10 to 20 kts. Patchy fog in the evening. Rain showers likely and a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. .SATURDAY...NW wind 5 to 10 kts veering SE in the afternoon. Partly sunny. Waves 1 to 3 ft. .SATURDAY NIGHT...E wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...E wind 5 to 10 kts. Partly sunny. Waves 2 ft or less. $$ LMZ542-543-190100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 404 PM CDT Fri Apr 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF THIS AFTERNOON...SE wind 5 to 10 kts. Patchy fog. Rain showers likely and a chance of thunderstorms. Waves 3 to 5 ft. .TONIGHT...NW wind 10 to 15 kts. Patchy fog in the evening. Rain showers likely and a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. .SATURDAY...NW wind 5 to 10 kts. Partly sunny. Waves 2 ft or less. .SATURDAY NIGHT...E wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...E wind 5 to 10 kts backing NE 10 to 20 kts in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.