FZUS53 KGRB 280624 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 124 AM CDT Tue Apr 28 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-281000- 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- 124 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF THE NIGHT...SW wind 10 to 20 kts. Waves 2 to 4 ft. A slight chance of showers. .TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late morning and afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly cloudy. .TUESDAY NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY...N wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. $$ LMZ541-281000- Rock Island Passage to Sturgeon Bay WI- 124 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF THE NIGHT...SW wind 10 to 20 kts. Waves 5 to 8 ft. A chance of showers and a slight chance of thunderstorms. .TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late morning and afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Partly sunny. .TUESDAY NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .WEDNESDAY...N wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. $$ LMZ542-543-281000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 124 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF THE NIGHT...SW wind 15 to 25 kts. Waves 5 to 8 ft. A slight chance of showers. .TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly sunny. .TUESDAY NIGHT...NW wind 5 to 10 kts veering NE in the late evening and overnight. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY...NE wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. Partly sunny. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday. Wave height forecast is for ice free areas.