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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

South winds 10 to 15 knots becoming southwest 5 to 10 knots after midnight, then increasing to 10 to 15 knots early in the morning. Mostly cloudy with scattered showers and a chance of thunderstorms in the evening, then mostly clear after midnight. Waves 2 feet or less.

Tuesday

West winds 10 to 15 knots. Mostly sunny with isolated showers in the morning, then partly cloudy with scattered showers and a slight chance of thunderstorms in the afternoon. Waves 2 feet or less.

Tuesday Night

West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and overnight. Partly cloudy in the evening then clearing. Waves 2 feet or less.

Wednesday

Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less.

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