Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Last Update: 806 PM EDT Fri Jun 19 2026

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Grand Rapids, MI Local Forecast Office

10NM SW South Haven MI

Marine Zone Forecast

Through Early Evening

Northwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet.

Tonight

Southwest winds 5 to 15 knots veering west 15 to 20 knots after midnight. Partly cloudy in the evening, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet.

Saturday

West winds 15 to 25 knots decreasing to 5 to 15 knots early in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.

Saturday Night

Northwest winds 5 to 10 knots backing southeast after midnight. Mostly clear. Waves around 1 foot.

Sunday

East winds 5 to 10 knots. Mostly cloudy. Waves less than 1 foot.

Sunday Night

East winds 15 to 25 knots. Rain showers. Waves 1 to 3 feet.

Monday

Northeast winds 15 to 25 knots backing north early in the afternoon. Partly sunny with rain showers. Waves 2 to 4 feet building to 4 to 6 feet early in the afternoon.

Tuesday

North winds around 10 knots backing northwest early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

Wednesday

Southwest winds 5 to 10 knots veering west early in the afternoon. Mostly sunny with a chance of rain showers. Waves 1 foot or less.