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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 18 August 2026

Tonight and Wednesday.

Wind west 15 knots increasing to northwest 15 to 20 near midnight then becoming northwest 15 early Wednesday morning.

Scattered showers ending near noon Wednesday with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 18 August 2026
Tonight and Wednesday. Waves 0.5 to 1 metre.

Extended Forecast

Issued 06:30 PM EDT 18 August 2026
Thursday Wind light.
Friday Wind light becoming south 15 knots.
Saturday Wind south 15 knots becoming northwest 15 late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 18 August 2026 Tonight and Wednesday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Lake Erie.
By 6:30 p.m. EDT Wednesday ridge located on a line
northeast-southwest over West Virginia.

At 6:30 p.m. EDT tonight cold front located on a line
northeast-southwest over North Channel.
By 6:30 p.m. EDT Wednesday cold front located on a line
northeast-southwest over the St. Lawrence River.

At 6:30 p.m. EDT tonight weakening low 999 mb located south of
Hudson Bay.
By 6:30 p.m. EDT Wednesday weakening low 1004 mb located east of
James Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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