Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 18kts around 10:00 AM, with waves reaching 1.9ft around 11:00 PM.

Monday, October 12

Wind

8—15kts

Gusts up to:18kts

Wind: 8—15 kts; gusts 18 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.051015202512AM6AM12PM6PM

Waves

1—2ft

Period:2s

Waves: 1—2 ft; period 2 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.00.511.522.512AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 3:50pm EDT Oct 11, 2026

Synopsis

Remnants from Hurricane Isaias, 29.80 inches, will move into New England today. Low pressure, 29.60 inches, will then push from the central Plains into the Great Lakes Tuesday morning, bringing the next potential for rain showers and isolated thunderstorms.

Tonight

Southeast winds 5 to 10 knots veering to the southwest after midnight. Waves 2 feet or less.

Monday

Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Waves 1 to 3 feet.

Monday Night

South winds 10 to 15 knots. A chance of rain after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.

Tuesday

Southwest winds 10 to 15 knots. A chance of rain.

Tuesday Night

West winds 15 to 20 knots becoming northwest 10 to 15 knots in the late evening and overnight. Waves 2 to 4 feet.

Wednesday

Northwest winds 10 to 15 knots becoming north 15 to 20 knots late in the evening. Waves 1 to 3 feet building to 2 to 4 feet late in the evening.

Thursday

North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late morning and early afternoon

Friday

South winds 15 to 20 knots becoming west 20 to 25 knots with gusts to 40 knot gales in the late morning and early afternoon

Loading map…
Interactive Mapbox map highlighting marine forecast zone LHZ463.