Coastal Waters Forecast for Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221) (Text-Only)
NWS Forecast for: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)
Issued by: National Weather Service Marquette, MI
Last Update: 1101 AM EDT Sat Aug 29 2026
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Rest Of Today: Southwest wind 10 to 15 knots with gusts up to 22 knots. Cloudy with showers likely and a slight chance of thunderstorms. Waves calm to 1 foot building to 1 to 2 feet.

Tonight: South wind 10 to 15 knots diminishing to less than 10 knots late. Gusts up to 22 knots. Cloudy with a chance of showers. Patchy fog by midnight. Waves 1 to 2 feet.

Sunday: East wind less than 10 knots. Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet.

Sunday Night: East wind less than 10 knots. Cloudy. A chance of showers in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Waves 1 to 2 feet.







Zone Forecast: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)

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