| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 502 PM CST Wed Nov 5 2025 |  |
Tonight: NW wind 10 to 20 kts. Gusts to around 30 kts in the evening. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. Thursday: W wind 5 to 10 kts backing S 10 to 20 kts in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 2 ft or less building to 2 to 4 ft late in the afternoon. Thursday Night: SW wind 15 to 25 kts with gusts to around 35 kts. Light rain. Waves 4 to 7 ft building to 6 to 10 ft in the late evening and overnight. A gale warning may be needed. Friday: W wind 10 to 20 kts veering NW in the afternoon. Gusts to around 25 kts. A chance of light rain. Waves 5 to 8 ft subsiding to 2 to 4 ft. A small craft advisory may be needed. | |
| Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
Visit your local NWS office at: https://www.weather.gov/grb |