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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 04 December 2023

Today Tonight and Tuesday.

Wind west 15 knots veering to northwest 15 near noon then diminishing to northwest 10 near midnight. Wind becoming light early Tuesday morning then becoming north 10 Tuesday evening.

Waves

Issued 10:30 AM EST 04 December 2023
Today Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less late overnight.

Extended Forecast

Issued 03:00 AM EST 04 December 2023
Wednesday Wind light.
Thursday Wind light becoming southwest 15 knots.
Friday Wind southwest 15 knots.

Ice Forecast*

Issued 12:00 PM EST 4 December 2023 Today Tonight and Tuesday 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 December 2023 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 4 December 2023 Today Tonight and Tuesday At 10:30 a.m. EST today departing low 1004 mb located southeast
of Montréal.

At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Lake Superior.
By 10:30 a.m. EST Tuesday ridge located on a line
northeast-southwest over eastern Ontario.

By 10:30 a.m. EST Tuesday trough located on a line north-south
over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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