FZUS53 KGRB 151641 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1141 AM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-152200- 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- 1141 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less. Patchy dense fog during the morning, then areas of dense fog in the afternoon. a slight chance of showers during the morning, then a slight chance of light rain and thunderstorms in the afternoon. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of light rain and a slight chance of thunderstorms. .THURSDAY...NE wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Areas of dense fog in the morning. Patchy fog in the afternoon. . .THURSDAY NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-152200- Rock Island Passage to Sturgeon Bay WI- 1141 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less. Patchy fog during the morning, then areas of dense fog in the afternoon. a slight chance of showers during the morning, then a slight chance of light rain and thunderstorms in the afternoon. .TONIGHT...NE wind 5 to 10 kts backing N after midnight. Waves 2 ft or less. Areas of dense fog. a slight chance of thunderstorms in the evening. A chance of light rain. .THURSDAY...NE wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Areas of dense fog in the morning. . .THURSDAY NIGHT...NE wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-152200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1141 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. a chance of showers during the morning. A chance of light rain and a slight chance of thunderstorms in the afternoon. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. light rain likely in the evening. A chance of thunderstorms. A chance of light rain after midnight. .THURSDAY...N wind 5 to 10 kts veering NE early in the afternoon. Waves 2 ft or less. Areas of dense fog in the morning. Patchy fog in the afternoon. . .THURSDAY NIGHT...NE wind 5 to 10 kts veering SE in the late evening and overnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.