| NWS Forecast for: Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake (LMZ563) Issued by: National Weather Service Green Bay, WI Last Update: 900 AM CDT Sun Oct 11 2026 | |
| Rest Of Today: South winds 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. Tonight: South winds 15 to 25 kt becoming southwest 10 to 20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. Monday: South winds 10 to 20 kt becoming southeast 15 to 25 kt. Waves 3 to 5 ft. Monday Night: Southeast winds 15 to 25 kt becoming northeast 10 to 20 kt. Chance of showers in the evening, then showers overnight. Waves 3 to 5 ft. Tuesday: Northeast winds 10 to 20 kt becoming north 15 to 25 kt. Chance of showers. Waves 3 to 5 ft. Tuesday Night: North winds 15 to 25 kt diminishing to 10 to 15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft. Wednesday: North winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. Thursday: East winds 10 to 20 kt becoming southeast 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. | |
| Zone Forecast: Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake (LMZ563) | |
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