| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 912 PM EDT Mon Aug 3 2026 | |
| Rest Of Tonight: Light and variable winds becoming south 5 to 10 knots after midnight. Clear. Waves 2 feet or less. Tuesday: South winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Sunny. Waves 2 feet or less. Tuesday Night: South winds 10 to 15 knots. Clear. Waves 2 feet or less. Wednesday: South winds 5 to 10 knots. Mostly sunny. 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) | |
Visit your local NWS office at: https://www.weather.gov/dtx |