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: 938 AM EDT Fri Oct 9 2026
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Rest Of Today: West winds 10 to 15 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 2 feet or less.

Tonight: East winds 5 to 10 knots becoming southeast 10 to 15 knots in the late evening and overnight. Mostly clear. A slight chance of showers after midnight. Waves 1 to 3 feet.

Saturday: Southeast winds 15 to 20 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. A small craft advisory may be needed.

Saturday Night: South winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 to 4 feet.

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







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

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