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: 401 PM EDT Fri Apr 4 2025
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Tonight: Northeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots early in the morning. Light showers. Waves 2 feet or less.

Saturday: Northeast winds 10 to 15 knots backing to the north early in the afternoon. Cloudy with showers likely. Waves 1 to 3 feet.

Saturday Night: North winds 10 to 15 knots becoming northwest 15 to 20 knots after midnight. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight.

Sunday: North winds 10 to 15 knots veering to the northeast early in the afternoon. Partly cloudy. Waves 2 to 4 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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