| 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: 1221 PM CDT Fri May 1 2026 |  |
| This Afternoon: N wind 5 to 10 kts. Waves 2 ft or less. A chance of rain and snow showers. Tonight: N wind 5 to 10 kts backing NW after midnight. Waves 2 ft or less. A slight chance of showers in the evening. Saturday: W wind 5 to 10 kts backing S in the late morning and afternoon. Waves 2 ft or less. Mostly sunny. Saturday Night: SW wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. | |
| 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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