Coastal Waters Forecast for Harbor Beach to Port Sanilac MI (LHZ442) (Text-Only)
NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442)
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 344 PM EST Mon Jan 26 2026


Tonight: West winds around 15 knots becoming southwest 15 to 20 knots after midnight. Mostly clear in the evening, then cloudy with light snow showers likely after midnight.

Tuesday: Southwest winds 15 to 20 knots veering to the west early in the afternoon. Mostly cloudy with a chance of light snow showers early in the morning, then partly cloudy with a slight chance of light snow showers in the late morning and afternoon.

Tuesday Night: West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear.

Wednesday: West winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly cloudy.

waves omitted due to ice coverage.

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







Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442)

Visit your local NWS office at: https://www.weather.gov/dtx