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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 05 December 2021

Tonight and Monday.

Gale warning in effect.

Wind southeast 30 knots diminishing to south 20 near midnight then increasing to southwest 30 late overnight. Wind veering to west 30 Monday morning then increasing to west 40 Monday afternoon.

Snow or rain becoming rain this evening then scattered showers near noon Monday. Scattered flurries or scattered showers Monday evening.

Waves

Issued 06:30 PM EST 05 December 2021
Tonight and Monday. Waves 1 to 1.5 metres building to 2 early Monday morning and to 2 to 3 near noon Monday. Waves building to 3 to 4 Monday evening.

Extended Forecast

Issued 06:30 PM EST 05 December 2021
Tuesday Wind west 40 knots diminishing to west 25 in the morning and to west 15 in the afternoon.
Wednesday Wind light.
Thursday Wind light becoming south 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EST 5 December 2021 Today Tonight and Monday Ice free except 1 tenth new lake ice in the Bay Of Quinte.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron 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 5 December 2021 Today Tonight and Monday

Ice Coverage

Ice free except 1 tenth new lake ice in the Bay Of Quinte.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 6:30 PM EST 05 December 2021

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 5 December 2021 Tonight and Monday At 6:30 p.m. EST tonight departing ridge located on a line
north-south over Maine.

At 6:30 p.m. EST tonight deepening low 1000 mb located over
central Minnesota.
By 6:30 p.m. EST Monday deepening low 987 mb located over central
Quebec.

At 6:30 p.m. EST Monday approaching ridge located on a line
north-south over Minnesota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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