Last Update: 937 PM EDT Sat Jul 18 2026

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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Tonight
North winds 20 to 25 knots with gusts to 30 knots diminishing to 10 to 15 knots. Partly cloudy. Smoke. Waves 4 to 6 feet. Waves occasionally around 8 feet.
Sunday
North winds 10 to 15 knots. Mostly sunny. Smoke early in the morning, then areas of smoke in the late morning and early afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.
Sunday Night
Northeast winds 5 to 10 knots early in the evening becoming light and variable, then becoming southwest 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less.
Monday
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.

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



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937 PM EDT Sat Jul 18 2026
 
 

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