Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >
Hazardous Weather Conditions
Last Update: 851 AM CDT Sun Sep 20 2026
For More Weather Information:
22NM WSW Grand Haven MI
Marine Zone Forecast
Rest Of Today
Northeast winds 15 to 25 kt increasing to 30 kt. Patchy fog. Showers and slight chance of thunderstorms through mid morning, then chance of showers this afternoon. Waves 4 to 7 ft occasionally to 9 ft building to 10 to 14 ft occasionally to 18 ft.
Tonight
Northeast winds to 30 kt becoming east. Waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to 10 ft occasionally to 13 ft.
Monday
East winds to 30 kt becoming northeast. Waves 8 to 11 ft occasionally to 14 ft.
Monday Night
Northeast winds to 30 kt. Waves 7 to 10 ft occasionally to 13 ft.
Tuesday
Northeast winds to 30 kt. Waves 6 to 9 ft occasionally to 12 ft.
Tuesday Night
Northeast winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft.
Wednesday
Northeast winds 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft.
Thursday
East winds 10 to 20 kt becoming northeast 10 to 15 kt. Waves 3 to 5 ft.
Additional Forecasts and Information
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