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: 346 PM EST Sun Nov 9 2025




Tonight: North winds to 30 knots. A few gusts to 35 knot gales will be possible. Cloudy with light snow likely. Waves 8 to 12 feet. Waves occasionally around 15 feet.

Monday: North winds to 30 knots diminishing to 20 to 25 knots in the late morning and afternoon. Mostly cloudy with a chance of light snow. Waves 6 to 9 feet. Waves occasionally around 12 feet.

Monday Night: Northwest winds 20 to 25 knots. Gusts to 30 knots early in the evening. Partly cloudy becoming mostly cloudy in the late evening and early morning becoming partly cloudy. A chance of light snow early in the evening, then light snow likely in the late evening and early morning. A chance of light snow after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet.

Tuesday: West winds 20 to 25 knots. Gusts to 30 knots early in the afternoon. Partly cloudy until late afternoon, then mostly cloudy with a chance of light rain and snow early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.

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