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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Tonight

West winds 20 to 25 knots increasing to 30 knots with gusts to 35 knot gales after midnight. Light snow this evening, then snow and a slight chance of thunderstorms after midnight. Waves 3 to 5 feet building to 4 to 6 feet early in the morning. Waves occasionally around 8 feet.

Thursday

Northwest winds to 30 knots with gusts to 35 knot gales. Mostly cloudy. Light snow in the morning, then a chance of light snow in the afternoon. Waves 5 to 7 feet building to 8 to 12 feet in the late morning and afternoon. Waves occasionally around 15 feet.

Thursday Night

Northwest winds to 30 knots diminishing to 15 to 20 knots. Partly cloudy with a chance of light snow. Waves 6 to 9 feet. Waves occasionally around 12 feet.

Friday

West winds 15 to 20 knots. Partly cloudy in the morning becoming mostly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. Waves occasionally around 7 feet.

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