| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 320 AM EDT Mon Sep 22 2025 |  |
Today: Southwest winds 5 to 10 knots. Mostly cloudy. Showers likely and a chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. A chance of waterspouts. Waves 2 feet or less. Tonight: Southwest winds 5 to 10 knots early in the evening becoming light and variable. Mostly cloudy. A chance of showers and a slight chance of thunderstorms until early morning, then a chance of showers after midnight. A chance of waterspouts until early morning. A slight chance of waterspouts after midnight. Waves 2 feet or less. Tuesday: Northwest winds 5 to 10 knots veering to the northeast in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of showers until late afternoon, then a chance of showers early in the afternoon. Waves 2 feet or less. Tuesday Night: Northeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. A chance of showers until early morning. 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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