FZUS53 KGRB 251449 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 949 AM CDT Mon May 25 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-252200- 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- 949 AM CDT Mon May 25 2026 .THIS AFTERNOON...S wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .TONIGHT...SW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear. .TUESDAY...SW wind 10 to 15 kts backing S 5 to 10 kts early in the afternoon. Waves 2 ft or less. A chance of showers in the afternoon. .TUESDAY NIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy. $$ LMZ541-252200- Rock Island Passage to Sturgeon Bay WI- 949 AM CDT Mon May 25 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH TUESDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Patchy dense fog early in the morning. .TONIGHT...SW wind 10 to 20 kts. Waves 3 to 5 ft. Mostly clear. .TUESDAY...SW wind 10 to 15 kts backing S early in the afternoon. Waves 2 to 4 ft. Mostly sunny. .TUESDAY NIGHT...SE wind 5 to 10 kts backing NE in the late evening and overnight. Waves 2 to 4 ft. Partly cloudy. $$ LMZ542-543-252200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 949 AM CDT Mon May 25 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH TUESDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Partly cloudy. .TONIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft. Clear. .TUESDAY...SW wind 10 to 15 kts backing S early in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Sunny. .TUESDAY NIGHT...S wind 10 to 15 kts veering N 5 to 10 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A chance of showers in the evening. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.