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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 22 August 2020

Tonight and Sunday.

Wind east 10 knots becoming light near midnight then becoming southwest 10 Sunday evening.

Waves

Issued 06:30 PM EDT 22 August 2020
Tonight and Sunday. Waves one half metre or less.

Extended Forecast

Issued 06:30 PM EDT 22 August 2020
Monday Wind light.
Tuesday Wind light becoming west 15 knots.
Wednesday Wind west 15 knots becoming northeast 15.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday Forecasts available to mariners upon request.

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

 

[ Canadian Ice Service ]

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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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 22 August 2020 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over southern Ontario.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over Pennsylvania.

At 6:30 p.m. EDT tonight low 1007 mb located over northern
Minnesota.
By 6:30 p.m. EDT Sunday low 1010 mb located over central Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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