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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

Light and variable winds becoming southwest 5 to 10 knots after midnight. Mostly cloudy in the evening becoming partly cloudy. Waves 2 feet or less.

Thursday

Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less.

Thursday Night

Southwest winds 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet.

Friday

West winds 10 to 15 knots. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. Waves 2 feet or less.

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