| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 319 AM EDT Sun Aug 23 2026 | |
Today: Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots late in the afternoon. Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. Tonight: Northwest winds 15 to 20 knots. Partly cloudy until early morning becoming mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and early morning. A slight chance of showers in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. Monday: West winds 20 to 25 knots with gusts to 30 knots becoming northwest 15 to 20 knots early in the afternoon. Partly cloudy until late afternoon becoming mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. Monday Night: Northwest winds 10 to 15 knots. Mostly cloudy early in the evening becoming mostly clear. 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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