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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 01 December 2020

Tonight and Wednesday.

Wind southwest 25 knots veering to west 20 near midnight then increasing to west 30 near noon Wednesday.

Showers or flurries becoming flurries Wednesday morning.

Waves

Issued 06:30 PM EST 01 December 2020
Tonight and Wednesday. Waves one and one half metres building to 2 to 3 Wednesday morning.

Extended Forecast

Issued 06:30 PM EST 01 December 2020
Thursday Wind west 20 knots backing to southwest 25 in the morning.
Friday Wind southwest 20 knots.
Saturday Wind northwest 15 knots veering to northeast 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 1 December 2020 Today Tonight and Wednesday Ice free.

*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 EST 1 December 2020 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 1 December 2020 Tonight and Wednesday At 6:30 p.m. EST tonight low 995 mb located near Montréal.
By 6:30 p.m. EST Wednesday low 1003 mb located east of James Bay.

At 6:30 p.m. EST tonight weakening ridge located on a line
north-south over Lake Nipigon.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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