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 PM EDT Thu Jul 30 2026


Rest Of Tonight: Southwest wind less than 10 knots. Mostly cloudy. A slight chance of showers and thunderstorms late. Waves calm to 1 foot.

Friday: Southwest wind less than 10 knots. Cloudy. A slight chance of showers and thunderstorms through mid morning, then a chance of showers and a slight chance of thunderstorms by late morning. Patchy smoke through the day. Waves calm to 1 foot.

Friday Night: Variable wind less than 10 knots becoming northeast less than 10 knots after midnight. Cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy smoke through the night. Waves calm to 1 foot.

Saturday: North wind 5 to 15 knots. Mostly cloudy with a slight chance of showers. Waves calm to 1 foot.







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

Visit your local NWS office at: https://www.weather.gov/mqt/