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: 957 AM EST Mon Jan 19 2026




Rest Of Today: West winds 20 to 25 knots increasing to 30 knots in the afternoon. Gusts to 35 knot gales. Mostly cloudy. A chance of light snow late in the morning, then light snow likely in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Tonight: West winds 20 to 25 knots with gusts to 35 knot gales diminishing to 15 to 20 knots after midnight. Partly cloudy. Light snow likely early in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Tuesday: West winds 20 to 25 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.

Tuesday Night: Southwest winds 15 to 20 knots. Partly cloudy early in the evening becoming mostly cloudy. A chance of light snow after midnight. Waves 1 to 3 feet.

wave heights are for ice free areas.

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







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

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