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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

Southwest winds to 30 knots becoming west 15 to 20 knots. Cloudy. A chance of light snow in the evening, then light snow likely and a chance of light rain after midnight. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally around 7 feet.

Wednesday

West winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Mostly cloudy. A chance of light rain early in the morning, then light rain likely in the late morning and afternoon. Waves 2 to 4 feet.

Wednesday Night

West winds 20 to 25 knots. Gusts to 30 knots early in the evening. Partly cloudy. Light rain likely early in the evening, then a chance of light rain in the late evening and early morning. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Thursday

West winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.

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