FZUS53 KGRB 101450 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 949 AM CDT Wed Jun 10 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-102200- 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 Wed Jun 10 2026 .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less. Patchy fog early in the morning. numerous showers and isolated thunderstorms early in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. .TONIGHT...SW wind 10 to 15 kts. Waves 2 ft or less. Rain showers likely and a chance of thunderstorms in the evening. patchy fog. .THURSDAY...SW wind 5 to 10 kts backing S 10 to 15 kts in the late morning and afternoon. Waves 2 ft or less. Partly cloudy in the morning then becoming mostly cloudy. .THURSDAY NIGHT...SW wind 10 to 20 kts veering W in the late evening and overnight. Waves 2 ft or less. Rain showers and a chance of thunderstorms in the evening. $$ LMZ541-102200- Rock Island Passage to Sturgeon Bay WI- 949 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THURSDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Areas of dense fog early in the morning, then patchy fog in the afternoon. isolated showers early in the morning, then showers likely and a slight chance of thunderstorms in the afternoon. .TONIGHT...S wind 10 to 15 kts. Waves 3 to 5 ft. Rain showers likely and a slight chance of thunderstorms in the evening. patchy fog. .THURSDAY...SW wind 5 to 10 kts backing S 10 to 15 kts in the late morning and afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. .THURSDAY NIGHT...SW wind 10 to 15 kts veering W in the late evening and overnight. Waves 3 to 5 ft. Rain showers and a chance of thunderstorms in the evening. A Small Craft Advisory may be needed. $$ LMZ542-543-102200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 949 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THURSDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Areas of dense fog early in the morning. Patchy fog in the afternoon. isolated thunderstorms early in the morning. A slight chance of showers. A chance of thunderstorms in the afternoon. .TONIGHT...S wind 10 to 15 kts veering SW after midnight. Waves 4 to 7 ft. A chance of showers and thunderstorms in the evening. patchy fog. .THURSDAY...W wind 5 to 10 kts backing S mid-day, then increasing to 10 to 20 kts early in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. A chance of showers and thunderstorms in the afternoon. A Small Craft Advisory may be needed. .THURSDAY NIGHT...SW wind 15 to 25 kts veering W in the late evening and overnight. Waves 4 to 7 ft subsiding to 3 to 5 ft after midnight. Rain showers and a chance of thunderstorms in the evening. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.