| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 239 AM CDT Wed Sep 23 2026 |  |
| Rest Of The Night: E wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 3 to 5 ft. Clear. Wednesday: E wind 10 to 15 kts backing NE early in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Sunny. Wednesday Night: E wind 10 to 15 kts veering SE in the late evening and overnight. Waves 2 to 4 ft. Mostly clear. Thursday: SE wind 10 to 15 kts backing E 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny in the morning then becoming partly cloudy. | |
| Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
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