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: 942 AM EST Thu Feb 19 2026




Rest Of Today: Southeast winds 10 to 15 knots. Cloudy. A chance of light snow showers and scattered showers in the afternoon. Patchy fog in the afternoon.

Tonight: Southeast winds 15 to 20 knots increasing to 20 to 25 knots after midnight. Cloudy. Numerous showers and a chance of light snow showers early in the evening, then scattered showers in the late evening and overnight.

Friday: Southeast winds 15 to 20 knots veering to the southwest early in the afternoon. Light rain early in the morning, then a chance of light rain in the late morning and afternoon. A chance of light snow early in the afternoon.

Friday Night: West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy. A chance of light rain early in the evening. A chance of light snow until early morning.

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)

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