| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 950 AM EDT Sun Oct 18 2026 | |
Rest Of Today: Southwest winds 15 to 20 knots. Sunny. Waves 1 to 3 feet. Tonight: Southwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Clear. Waves 1 to 3 feet. Monday: Southwest winds 10 to 15 knots diminishing to 5 to 10 knots early in the afternoon. Sunny. Waves 2 feet or less. Monday Night: Light and variable winds becoming northeast 5 to 10 knots after midnight. Clear. Waves 2 feet or less. 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 |