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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 21 September 2021

Tonight and Wednesday.

Wind south 10 knots increasing to south 15 late overnight then backing to southeast 15 near noon Wednesday. Wind diminishing to variable 10 Wednesday evening.

Showers changing to rain Wednesday morning.

Waves

Issued 06:30 PM EDT 21 September 2021
Tonight and Wednesday. Waves 0.5 to 1 metre.

Extended Forecast

Issued 06:30 PM EDT 21 September 2021
Thursday Wind variable 15 knots increasing to southeast 20 in the morning.
Friday Wind southwest 20 knots.
Saturday Wind southwest 15 knots diminishing to light.

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 21 September 2021 Tonight and Wednesday At 6:30 p.m. EDT tonight dissipating trough located on a line
northeast-southwest over Georgian Bay.

At 6:30 p.m. EDT tonight deepening low 1016 mb located near
Tennessee.
By 6:30 p.m. EDT Wednesday deepening low 1006 mb located near
Lake Erie.

At 6:30 p.m. EDT tonight quasi-stationary ridge located on a line
northeast-southwest over the Maritimes.

At 6:30 p.m. EDT tonight quasi-stationary ridge located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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