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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

Light and variable winds becoming north 5 to 10 knots early in the morning. Mostly cloudy. Numerous showers and thunderstorms in the evening. Waves 2 feet or less.

Friday

North winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less.

Friday Night

North winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.

Saturday

Northeast winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Partly cloudy early in the morning then clearing. Waves 2 feet or less.

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