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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Today

Southwest winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon, then veering to the northwest late in the afternoon. Partly cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 feet or less.

Tonight

North winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less.

Sunday

Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less.

Sunday Night

South winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Mostly cloudy. A chance of showers until early morning. Showers likely and a chance of thunderstorms after midnight. Waves 2 feet or less.

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