| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 942 PM EDT Fri Sep 18 2026 | |
| Rest Of Tonight: Northeast winds 15 to 20 knots becoming east 10 to 15 knots after midnight. Mostly cloudy with a chance of light rain. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. Saturday: Southeast winds 10 to 15 knots. Mostly cloudy with a chance of showers. Waves 1 to 3 feet. Saturday Night: East winds 10 to 15 knots. Mostly cloudy. A chance of showers. Locally heavy rainfall possible in the late evening and early morning. Waves 1 to 3 feet. Sunday: Northeast winds 10 to 15 knots becoming north 20 to 25 knots. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. A small craft advisory may be needed. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Port Sanilac to Port Huron MI (LHZ443) | |
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