Hazardous Weather Conditions

Last Update: 337 PM EDT Tue Apr 21 2026

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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight
South winds 5 to 10 knots veering to the northwest after midnight. Mostly clear. Waves 1 to 3 feet.
Wednesday
North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less.
Wednesday Night
North winds 5 to 10 knots early in the evening becoming light and variable. Clear. Waves 2 feet or less.
Thursday
East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less.

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



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337 PM EDT Tue Apr 21 2026
 
 

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