| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 947 AM EDT Sun Aug 30 2026 |  |
Rest Of Today: South winds 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Showers late in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 2 feet or less. Tonight: South winds 5 to 10 knots. Showers in the evening. A chance of thunderstorms. A chance of showers after midnight. Waves 2 feet or less. Monday: South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy. A chance of showers until late afternoon. Waves 2 feet or less. Monday Night: Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Port Sanilac to Port Huron MI (LHZ443) | |
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