Last Update: 351 PM EDT Thu Aug 13 2026

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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight
East winds 5 to 10 knots in the evening becoming light and variable. Mostly cloudy in the evening becoming partly cloudy. Waves 2 feet or less.
Friday
North winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less.
Friday Night
Northeast winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less.
Saturday
Southeast winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less.

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



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351 PM EDT Thu Aug 13 2026
 
 

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