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: 1100 AM EDT Sun Mar 29 2026


Rest Of Today: South wind less than 10 knots increasing to 10 to 15 knots late. Partly cloudy. Waves 1 to 2 feet.

Tonight: South wind 10 to 15 knots veering southwest by midnight, then veering northwest less than 10 knots late. Partly cloudy through midnight then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.

Monday: North wind less than 10 knots veering northeast in the afternoon. Mostly cloudy. Waves 1 to 2 feet.

Monday Night: Northeast wind 10 to 15 knots. Cloudy. Rain showers likely and a slight chance of thunderstorms in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. Waves building to 2 to 3 feet.







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

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