| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 400 AM EDT Fri Jul 17 2026 |  |
Today: Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Cloudy in the morning becoming partly cloudy. Smoke. Waves 2 feet or less. Tonight: Southeast winds 10 to 15 knots veering to the southwest in the late evening and overnight. Mostly clear. Smoke until early morning. Waves 1 to 3 feet. Saturday: West winds 15 to 20 knots veering to the northwest early in the afternoon. Partly cloudy until late afternoon then clearing. Light showers likely until late afternoon. A chance of thunderstorms in the late morning and afternoon. A chance of showers early in the afternoon. Waves 1 to 3 feet. Saturday Night: North winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots after midnight. Mostly clear. Waves 5 to 7 feet. Waves occasionally around 10 feet. A small craft advisory may be needed. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442) | |
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