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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Today

North winds 15 to 20 knots diminishing to 5 to 10 knots. Partly cloudy late in the morning then clearing. Waves 6 to 9 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally around 12 feet.

Tonight

East winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Clear. Waves 1 to 3 feet.

Wednesday

South winds 15 to 20 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet.

Wednesday Night

South winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and overnight. Gusts to 30 knots. Partly cloudy. A chance of light rain after midnight. Waves 4 to 6 feet. Waves occasionally around 7 feet.

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