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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 September 2021

Today Tonight and Saturday.

Wind southeast 10 knots becoming light early this morning then becoming east 10 near noon. Wind becoming southwest 10 near midnight then veering to northwest 10 Saturday morning.

Waves

Issued 03:00 AM EDT 17 September 2021
Today Tonight and Saturday. Waves one half to one metre subsiding to one half metre or less this morning.

Extended Forecast

Issued 03:00 AM EDT 17 September 2021
Sunday Wind light.
Monday Wind light.
Tuesday Wind south 15 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario 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 3:00 AM EDT 17 September 2021 Today Tonight and Saturday At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over western Lake Superior.
By 3:00 a.m. EDT Saturday cold front located on a line
northeast-southwest over southern Ontario.

By 3:00 a.m. EDT Saturday approaching high 1025 mb located over
Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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