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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

Northeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly cloudy. Waves 1 to 3 feet.

Thursday

Northeast winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. A slight chance of showers early in the morning. Waves 2 feet or less.

Thursday Night

North winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less.

Friday

North winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 1 to 3 feet.

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