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Grand Rapids, MI Local Forecast Office

19NM NW Saint Joseph MI

Marine Zone Forecast

Today

Northwest winds 10 to 20 kt becoming north 10 to 15 kt. Slight chance of waterspouts. Chance of rain and slight chance of thunderstorms this morning, then chance of rain this afternoon. Waves 2 to 4 ft.

Tonight

North winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of rain in the evening, then slight chance of rain overnight. Waves 1 to 3 ft.

Sunday

West winds 5 to 10 kt becoming southwest 10 to 15 kt late in the morning, then increasing to 10 to 20 kt early in the afternoon increasing to 15 to 25 kt late. Waves 1 to 3 ft building to 3 to 5 ft.

Sunday Night

Southwest winds to 30 kt. A few gale force gusts possible. Chance of rain overnight. Waves 7 to 10 ft occasionally to 13 ft building to 8 to 12 ft occasionally to 16 ft.

Monday

West winds to 30 kt. Waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft.

Monday Night

Northwest winds to 30 kt diminishing to 15 to 25 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft occasionally to 12 ft.

Tuesday

West winds 10 to 20 kt becoming southwest. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.

Wednesday

West winds 15 to 25 kt becoming northwest. Waves 5 to 8 ft occasionally to 10 ft.