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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 21 September 2023

Today Tonight and Friday.

Wind light becoming southeast 10 knots near midnight then increasing to east 15 near noon Friday. Wind veering to southeast 15 Friday evening.

Waves

Issued 10:30 AM EDT 21 September 2023
Today Tonight and Friday. Waves 0.5 metres or less building to 0.5 to 1 Friday afternoon.

Extended Forecast

Issued 03:00 AM EDT 21 September 2023
Saturday Wind southeast 15 knots backing to northeast 15 in the afternoon.
Sunday Wind northeast 15 knots.
Monday Wind light becoming northeast 15 knots late in the day.

Ice Forecast*

Issued 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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Ice Conditions

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

Ice Forecasts

Issued 

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 21 September 2023 Today Tonight and Friday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Kingston.
By 10:30 a.m. EDT Friday ridge located on a line east-west over
southern Ontario.

At 10:30 a.m. EDT today trough located on a line north-south over
northern Ontario.
By 10:30 a.m. EDT Friday trough located on a line north-south over
northern Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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