| NWS Forecast for: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878) Issued by: National Weather Service Grand Rapids, MI Last Update: 855 PM CDT Mon Sep 22 2025 | |
Rest Of Tonight: South winds 10 to 15 kt becoming southwest 5 to 10 kt. Chance of showers and thunderstorms through early evening, then chance of showers and slight chance of thunderstorms overnight. Waves 1 to 2 ft. Tuesday: West winds 5 to 10 kt veering to north 10 to 15 kt. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. Tuesday Night: North winds 10 to 15 kt. Chance of showers. Waves 1 to 3 ft. Wednesday: Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. Wednesday Night: Northeast winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of showers. Waves 3 to 5 ft. Thursday: North winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. Thursday Night: Northwest winds 10 to 15 kt becoming west 5 to 10 kt. Waves 1 to 3 ft. Friday: West winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 to 2 ft. Saturday: Southwest winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. | |
| Zone Forecast: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878) | |
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