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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Today

Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and early afternoon, then diminishing to 10 to 15 knots late 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.

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 2 to 4 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.