FZUS53 KGRB 180136 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 836 PM CDT Wed Jun 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-180400- 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- 836 PM CDT Wed Jun 17 2026 .TONIGHT...E wind 10 to 15 kts backing N after midnight. Waves 1 to 3 ft. Rain showers likely in the evening, then a chance of showers after midnight. .THURSDAY...NW wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly clear. .FRIDAY...W wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541-180400- Rock Island Passage to Sturgeon Bay WI- 836 PM CDT Wed Jun 17 2026 .TONIGHT...E wind 10 to 15 kts backing N after midnight. Waves 2 to 4 ft. Patchy fog. showers in the evening. A chance of showers after midnight. .THURSDAY...NW wind 10 to 15 kts backing W early in the afternoon. Waves 2 to 4 ft. A slight chance of showers in the morning. .THURSDAY NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .FRIDAY...W wind 10 to 15 kts decreasing to 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. $$ LMZ542-543-180400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 836 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY... .TONIGHT...E wind 10 to 15 kts backing NW after midnight. Waves 4 to 7 ft. Patchy fog. showers likely in the evening. A chance of showers after midnight. .THURSDAY...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 2 ft or less in the afternoon. A slight chance of showers. .THURSDAY NIGHT...W wind 10 to 15 kts. Waves 2 ft or less. Mostly clear. .FRIDAY...W wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.