| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 950 AM EDT Sun Jul 12 2026 |  |
| Rest Of Today: Northeast wind 5 to 10 knots. Sunny. Waves 2 feet or less. Tonight: Northeast winds 5 to 10 knots veering to the southeast in the late evening and early morning, then veering to the southwest after midnight. Clear. Waves 2 feet or less. Monday: Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or less. Monday Night: South winds 5 to 10 knots becoming southwest 10 to 15 knots in the late evening and overnight. Clear. 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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