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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Today

Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Mostly sunny. A slight chance of showers in the afternoon. A slight chance of waterspouts in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.

Tonight

Northwest winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear. A slight chance of showers early in the evening. A slight chance of waterspouts early in the evening. Waves 1 to 3 feet.

Wednesday

West winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 1 to 3 feet.

Wednesday Night

Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy until early morning, then mostly cloudy with a chance of showers after midnight. Waves 1 to 3 feet.

see lake huron open lake forecast for days 3 through 5.