Last Update: 941 PM EST Wed Feb 25 2026

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Detroit/Pontiac, MI Local Forecast Office

16NM NE Port Sanilac MI

Marine Zone Forecast

Rest Of Tonight
West winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
Thursday
Southwest winds 5 to 10 knots. Waves 2 feet or less.
Thursday Night
South winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Waves 1 to 3 feet.
Friday
South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Waves 3 to 5 feet.
Friday Night
South winds 15 to 20 knots veering to the southwest after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet.
Saturday
West winds 15 to 20 knots becoming northwest 10 to 15 knots late in the morning...then increasing to 15 to 20 knots late in the evening. A chance of snow late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the morning... Then building to 2 to 4 feet late in the afternoon.
Sunday
Northwest winds 15 to 20 knots becoming 5 to 10 knots early in the evening...then veering to the northeast by midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet by midnight.
Monday
East winds 5 to 10 knots increasing to 10 to 15 knots. Waves 1 to 3 feet.

wave heights are for ice free areas.



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941 PM EST Wed Feb 25 2026
 
 

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