| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 336 AM EDT Sun Aug 31 2025 | |
| Today: Light and variable winds becoming northeast 5 to 10 knots late in the afternoon. Sunny. Waves 2 feet or less. Tonight: Northeast winds 5 to 10 knots veering to the east after midnight. Mostly clear. Waves 2 feet or less. Monday: Light and variable winds becoming northeast 5 to 10 knots early in the afternoon. Sunny. Waves 2 feet or less. Monday Night: Northeast winds 5 to 10 knots until early morning becoming light and variable. Mostly 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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