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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: 1005 AM EST Thu Jan 15 2026




Rest Of Today: North winds to 30 knots becoming northwest 15 to 20 knots. Mostly cloudy with scattered light snow showers. Heavy freezing spray. Waves 8 to 12 feet. Waves occasionally around 15 feet.

Tonight: West winds 10 to 15 knots backing to the southwest after midnight. Partly cloudy until early morning becoming mostly cloudy. A slight chance of light snow after midnight. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 8 feet.

Friday: South winds 15 to 20 knots. Light snow. Waves 2 to 4 feet.

Friday Night: Southwest winds 15 to 20 knots. Mostly cloudy until early morning becoming partly cloudy. Light snow early in the evening, then a chance of light snow in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.

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







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

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