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Coastal Waters Forecast for Harbor Beach to Port Sanilac MI (LHZ442) (Text-Only)
NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442)
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 341 AM EST Thu Nov 20 2025


Today: Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Mostly sunny in the morning becoming mostly cloudy. Waves 2 feet or less.

Tonight: Southwest winds 10 to 15 knots. Cloudy with a slight chance of light rain. Waves 1 to 3 feet.

Friday: West winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly sunny. Waves 2 feet or less.

Friday Night: Northwest winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight.

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







Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442)

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