Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Last Update: 935 PM EDT Fri Aug 28 2026

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Grand Rapids, MI Local Forecast Office

10NM SW South Haven MI

Marine Zone Forecast

Through Early Evening
Southwest winds 5 to 10 knots. Sunny. Waves less than 1 foot.
Tonight
South winds 5 to 15 knots. Clear in the evening then becoming partly cloudy. Waves around 1 foot.
Saturday
Southwest winds 10 to 15 knots. Partly sunny. Waves 1 to 2 feet.
Saturday Night
South winds 10 to 20 knots. Mostly cloudy. Waves 1 to 2 feet.
Sunday
South winds 15 to 20 knots. Partly sunny. Waves 1 to 3 feet.
Sunday Night
South winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet.
Monday
South winds 10 to 15 knots. Partly sunny. Waves 1 to 2 feet.
Tuesday
Southwest winds 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet.
Wednesday
Southwest winds 10 to 15 knots. Mostly sunny. Waves 1 foot or less.



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935 PM EDT Fri Aug 28 2026
 
 

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