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: 946 AM EST Sun Jan 11 2026




Rest Of Today: Northwest winds 20 to 25 knots with gusts to 30 knots. Cloudy late in the morning becoming partly cloudy. A chance of light snow showers. Waves 6 to 9 feet. Waves occasionally around 12 feet.

Tonight: Northwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. A slight chance of light snow showers after midnight. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet.

Monday: Southwest winds 15 to 20 knots. Mostly cloudy. A slight chance of light snow showers until late afternoon. Waves 1 to 3 feet.

Monday Night: Southwest winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

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







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

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