| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 334 AM EDT Sun Jul 26 2026 | |
Today: West winds 5 to 10 knots backing to the east late in the afternoon. Partly cloudy with a slight chance of showers in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. Tonight: East winds 5 to 10 knots early in the evening becoming light and variable, then becoming east 5 to 10 knots after midnight. Partly cloudy. A chance of showers and a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. A chance of showers after midnight. Waves 2 feet or less. Monday: Southwest winds 5 to 10 knots backing to the south early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. A chance of showers. A chance of thunderstorms early in the afternoon. Waves 2 feet or less. Monday Night: Southwest winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. 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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