Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Last Update: 638 AM EDT Sat Oct 3 2026

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Grand Rapids, MI Local Forecast Office

10NM SW South Haven MI

Marine Zone Forecast

Today
East winds 10 to 15 knots veering southeast 5 to 10 knots early in the afternoon. Sunny. Waves 1 to 2 feet.
Tonight
Southeast winds 5 to 15 knots veering south after midnight. Partly cloudy. Waves 1 foot or less.
Sunday
Southwest winds 10 to 15 knots veering northwest early in the afternoon. Mostly sunny. Waves 2 to 4 feet.
Sunday Night
Northwest winds 10 to 15 knots. Mostly clear. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight.
Monday
North winds 10 to 15 knots. Sunny. Waves 3 to 5 feet.
Tuesday
Southeast winds 5 to 10 knots veering south early in the afternoon. Sunny. Waves 1 foot or less.
Wednesday
Southwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet.



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638 AM EDT Sat Oct 3 2026
 
 

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