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Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 27 November 2021

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 early this morning and to west 10 near noon. Wind becoming variable 10 this evening then increasing to southeast 15 Sunday morning. Wind veering to southwest 15 near noon Sunday then becoming north 15 Sunday evening.

Periods of snow beginning near midnight changing to periods of rain or snow near noon Sunday. Visibility as low as 1 mile in snow.

Waves

Issued 03:00 AM EST 27 November 2021
Today Tonight and Sunday. Waves 1 metre subsiding to 0.5 or less this afternoon then building to 1 Sunday morning.

Extended Forecast

Issued 06:30 PM EST 26 November 2021
Sunday Wind east 15 knots.
Monday Wind north 15 knots diminishing to light.
Tuesday Wind west 15 knots increasing to west 20.

Ice Forecast*

Issued 12:00 PM EST 26 November 2021 Today Tonight and Saturday Ice free.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 26 November 2021 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EST 27 November 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 3:00 AM EST 27 November 2021 Today Tonight and Sunday At 3:00 a.m. EST today departing low 988 mb located over the
Maritimes.

At 3:00 a.m. EST today ridge located on a line north-south over
Whitefish Bay.
By 3:00 a.m. EST Sunday ridge located on a line northwest-southeast
over the Ontario - Quebec border.

At 3:00 a.m. EST today trough located on a line northwest-southeast
over Manitoba.
By 3:00 a.m. EST Sunday trough located on a line northwest-southeast
over Lake Huron.

At 3:00 a.m. EST Sunday approaching ridge located on a line
north-south over Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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