| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 334 AM EDT Fri Sep 11 2026 |  |
| Today: Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Sunny. Waves 2 feet or less. Tonight: Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. Saturday: South winds 10 to 15 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet. Saturday Night: Southwest winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Partly 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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