Coastal Waters Forecast for Port Sanilac to Port Huron MI (LHZ443) (Text-Only)
NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443)
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 338 PM EST Fri Nov 7 2025




Tonight: Northwest winds 15 to 20 knots. Gusts to 25 knots. partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight.

Saturday: Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Partly cloudy until late afternoon becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon.

Saturday Night: North winds 5 to 10 knots becoming northeast 15 to 20 knots. A chance of light rain until early morning, then light rain after midnight. Waves 1 to 3 feet.

Sunday: Northeast winds 15 to 20 knots becoming north 20 to 25 knots early in the afternoon. Light rain until late afternoon, then light rain and snow early in the afternoon. Waves 3 to 5 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet.

see lake huron open lake forecast for days 3 through 5.







Zone Forecast: Port Sanilac to Port Huron MI (LHZ443)

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