| NWS Forecast for: Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake (LMZ872) Issued by: National Weather Service Grand Rapids, MI Last Update: 237 PM CDT Wed Sep 17 2025 |  |
| Tonight: Northwest winds 10 to 15 kt backing to southeast late this evening, then becoming southeast 5 to 10 kt after midnight diminishing to less than 10 kt late. Waves 1 to 2 ft. Thursday: South winds 5 to 10 kt backing to north. Waves 1 to 2 ft. Thursday Night: North winds 10 to 15 kt becoming east. Waves 1 to 3 ft. Friday: East winds 10 to 15 kt becoming northeast. Waves 1 to 3 ft. Friday Night: Northeast winds 10 to 20 kt becoming east 15 to 25 kt. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. Saturday: Southeast winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. Saturday Night: Southeast winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. Sunday: South winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. Monday: South winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. | |
| Zone Forecast: Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake (LMZ872) | |
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