| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 647 AM CST Thu Nov 20 2025 | |
| Today: SW wind 10 to 20 kts. A slight chance of light rain and drizzle. Waves 1 to 3 ft. Tonight: W wind 10 to 20 kts. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 ft. Friday: NW wind 10 to 20 kts. Partly cloudy in the morning then becoming mostly sunny. Waves 2 ft or less. Friday Night: N wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. | |
| Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
Visit your local NWS office at: https://www.weather.gov/grb |