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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 03 December 2024

Today Tonight and Wednesday.

Wind northwest 10 knots increasing to northwest 15 near noon then backing to southwest 15 this evening. Wind increasing to southwest 20 overnight and to southwest 30 Wednesday morning. Wind backing to south 30 near noon Wednesday then veering to southwest 25 Wednesday evening.

Scattered flurries beginning this evening changing to snow Wednesday morning. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 03 December 2024
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 this afternoon and to 3 Wednesday morning.

Extended Forecast

Issued 03:00 AM EST 03 December 2024
Thursday Wind southwest 25 knots veering to northwest 25 in the afternoon.
Friday Wind northwest 20 knots backing to southwest 20 late in the day.
Saturday Wind southwest 30 knots.

Ice Forecast*

Issued 12:00 PM EST 2 December 2024 Today Tonight and Tuesday Open water.

*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 2 December 2024 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 3 December 2024 Today Tonight and Wednesday At 3:00 a.m. EST today dissipating trough located on a line
northeast-southwest over southwestern Ontario.

At 3:00 a.m. EST today high 1038 mb located over western Iowa.
By 3:00 a.m. EST Wednesday high 1034 mb located over West Virginia.

At 3:00 a.m. EST today low 1010 mb located over northern Alberta.
By 3:00 a.m. EST Wednesday low 1006 mb located over northwestern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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