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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Today

West winds 20 to 25 knots becoming northwest 15 to 20 knots in the late morning and afternoon. Mostly cloudy. A chance of showers in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Tonight

Northwest winds 10 to 15 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Tuesday

Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Partly cloudy until late afternoon becoming mostly sunny. Waves 1 to 3 feet.

Tuesday Night

Southeast winds 5 to 10 knots veering to the south after midnight. Partly cloudy. Waves 2 feet or less.

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