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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Today

Southwest winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Sunny. Waves 2 feet or less.

Tonight

Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Partly cloudy until early morning, then mostly cloudy with a chance of light rain after midnight. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet.

Monday

Southwest winds to 30 knots becoming west 20 to 25 knots in the late morning and afternoon. Partly cloudy with light rain likely until late afternoon, then sunny early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Monday Night

West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots after midnight. Clear. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet.

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