Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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096 FZUS53 KGRB 171637 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1136 AM CDT Sun May 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-172200- 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- 1136 AM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .THIS AFTERNOON...NE wind 10 to 20 kts. Waves 1 to 3 ft. A chance of showers during the morning. A slight chance of thunderstorms. Rain showers in the afternoon. .TONIGHT...E wind 10 to 15 kts veering SE 10 to 20 kts, then veering S 15 to 25 kts after midnight. Waves 2 to 4 ft. A chance of showers and thunderstorms. .MONDAY...S wind 10 to 20 kts. Waves 2 to 4 ft. A chance of showers and thunderstorms. .MONDAY NIGHT...S wind 10 to 15 kts. Waves 2 to 4 ft. Rain showers and a chance of thunderstorms. $$ LMZ541-172200- Rock Island Passage to Sturgeon Bay WI- 1136 AM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .THIS AFTERNOON...NE wind 10 to 20 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. A chance of showers during the morning. A slight chance of thunderstorms. Rain showers in the afternoon. patchy fog in the afternoon. .TONIGHT...E wind 10 to 20 kts veering S 15 to 25 kts after midnight. Waves 3 to 5 ft building to 4 to 7 ft after midnight. Patchy fog. showers in the evening. A chance of thunderstorms. A chance of showers after midnight. .MONDAY...S wind 15 to 25 kts. Waves 5 to 8 ft. Patchy fog in the morning. a chance of showers and thunderstorms. .MONDAY NIGHT...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers after midnight. $$ LMZ542-543-172200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1136 AM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .THIS AFTERNOON...NE wind 10 to 20 kts. Waves 2 to 4 ft. Rain showers likely and a chance of thunderstorms. patchy fog in the afternoon. .TONIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the late evening and overnight. Waves 4 to 7 ft. Patchy fog. a chance of showers and a slight chance of thunderstorms. .MONDAY...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy fog in the morning. a chance of showers and thunderstorms. .MONDAY NIGHT...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers after midnight. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday. Wave height forecast is for ice free areas.