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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Today

North winds 15 to 20 knots. Mostly cloudy with light rain likely. Waves 4 to 6 feet. Waves occasionally around 8 feet.

Tonight

Northwest winds 15 to 20 knots. Light rain. A slight chance of waterspouts in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 7 feet.

Saturday

Northwest winds 20 to 25 knots. Mostly cloudy. A chance of light rain in the late morning and afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet.

Saturday Night

Northwest winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Cloudy. Light rain likely early in the evening, then a chance of light rain in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 8 feet.

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