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: 348 PM EDT Sun Oct 4 2026




Tonight: Northwest winds 15 to 20 knots. Mostly clear. Waves 1 to 3 feet building to 2 to 4 feet after midnight.

Monday: Northwest winds 15 to 20 knots. Sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Monday Night: Northwest winds 10 to 15 knots becoming west 5 to 10 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight.

Tuesday: Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Mostly sunny. 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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