| NWS Forecast for: 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 (LMZ521) Issued by: National Weather Service Green Bay, WI Last Update: 114 AM CDT Tue Sep 22 2026 |  |
Rest Of The Night: E wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 2 to 4 ft. Mostly cloudy. Tuesday: E wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. Tuesday Night: E wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Mostly clear. A small craft advisory may be needed. Wednesday: E wind 10 to 15 kts. Waves 2 ft or less. Sunny. | |
| Zone Forecast: 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 (LMZ521) | |
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