FZUS53 KGRB 041806 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 106 PM CDT Thu Jun 4 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-042200- 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- 106 PM CDT Thu Jun 4 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS AFTERNOON THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .TONIGHT...SW wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers and a slight chance of thunderstorms. .FRIDAY...S wind 10 to 15 kts. Waves 2 ft or less. A chance of showers and thunderstorms. .FRIDAY NIGHT...SW wind 5 to 10 kts veering W after midnight. Waves 2 ft or less. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. $$ LMZ541-042200- Rock Island Passage to Sturgeon Bay WI- 106 PM CDT Thu Jun 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY... .THIS AFTERNOON...S wind 10 to 20 kts. Waves 3 to 5 ft. Partly cloudy. .TONIGHT...S wind 10 to 15 kts. Waves 3 to 5 ft. A chance of showers and a slight chance of thunderstorms. .FRIDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Rain showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. .FRIDAY NIGHT...SW wind 5 to 10 kts veering W after midnight. Waves 2 to 4 ft. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. $$ LMZ542-543-042200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 106 PM CDT Thu Jun 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 3 to 5 ft. Mostly sunny. .TONIGHT...S wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. A chance of showers and a slight chance of thunderstorms after midnight. .FRIDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Rain showers in the morning. A chance of thunderstorms. A chance of showers in the afternoon. .FRIDAY NIGHT...SW wind 5 to 10 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday. Wave height forecast is for ice free areas.