Chart / Forecasts

Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore

LHZ362 · Open Lake Forecast · National Weather Service Detroit/Pontiac MI · Issued 358 PM EDT Sat Oct 3 2026
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Forecast
Tonight
Southeast winds 5 to 10 knots increasing to 10 to 15 knots by midnight...then becoming south 15 to 20 knots early in the morning. A chance of rain after midnight. Waves 1 to 3 feet.
Sunday
Southwest winds 15 to 20 knots veering to the west late in the afternoon. Gusts to 30 knots. A chance of rain in the morning. Waves 3 to 5 feet.
Sunday Night
Northwest winds 25 to 30 knots with an occasional gusts to 35 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet.
Monday
Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet.
Monday Night
Northwest winds 15 to 20 knots becoming light and variable. Waves 5 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 10 feet.
Tuesday
Light and variable winds becoming south 20 to 25 knots with gusts to around 30 knots. Waves 2 feet or less building to 3 to 5 feet late in the afternoon.
Wednesday
Southwest winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots until early evening...then veering to the west by midnight. Waves 3 to 5 feet.
Thursday
West winds 10 to 15 knots. Waves 1 to 3 feet.
Synopsis
High pressure, 30.30 inches, will quickly exit east of the region Tonight. Low pressure of 29.62 inches then tracks east across southern Ontario Tonight into Sunday, intensifying to around 29.44 inches as it tracks east across the James Bay area Sunday night. This low will drive a cold front across the region on Sunday, resulting in south winds to start the day becoming west and northwesterly throughout Sunday afternoon and evening. Northwest winds increase to around 25 to 30 knots Sunday night into Monday morning, with the strongest winds across the northern third of Lake Huron where we an occasional gust to 35 knots cannot be ruled out.
Source: National Weather Service Open Lake Forecast (GLF), issued 358 PM EDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 04:00 UTC. Original text · All zones