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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 08 September 2026

Tonight and Wednesday.

Strong wind warning in effect.

Wind south 15 knots increasing to south 20 near midnight then veering to southwest 20 early Wednesday morning. Wind increasing to southwest 25 near noon Wednesday then veering to northwest 20 Wednesday evening.

Scattered showers ending Wednesday afternoon with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 08 September 2026
Tonight and Wednesday. Waves 0.5 to 1 metre building to 1 to 1.5 late overnight and to 2 near noon Wednesday. Waves subsiding to 1 to 1.5 Wednesday evening.

Extended Forecast

Issued 06:30 PM EDT 08 September 2026
Thursday Wind northwest 20 knots.
Friday Wind light becoming south 15 knots late in the day.
Saturday Wind south 15 knots increasing to south 20.

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

Warnings (In effect)

Strong wind warning in effect

Northern Lake Huron

Issued 6:30 PM EDT 08 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 8 September 2026 Tonight and Wednesday At 6:30 p.m. EDT tonight departing ridge located on a line
north-south over Quebec.

At 6:30 p.m. EDT tonight low 996 mb located over eastern Manitoba.
By 6:30 p.m. EDT Wednesday low 982 mb located over southern
Hudson Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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