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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 01 March 2021

Today Tonight and Tuesday.

Gale warning in effect.

Wind west 25 knots increasing to west 35 this afternoon then veering to northwest 35 this evening. Wind diminishing to northwest 25 near midnight then backing to west 20 Tuesday morning. Wind backing to southwest 15 near noon Tuesday then increasing to southwest 25 Tuesday evening.

Flurries today and tonight. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Freezing spray beginning this evening and ending Tuesday morning.

Waves

Issued 03:00 AM EST 01 March 2021
Today Tonight and Tuesday. Waves one and one half metres building to 2 to 3 this afternoon then subsiding to one and one half metres Tuesday morning. Waves subsiding to one near noon Tuesday then building to 2 Tuesday evening.

Extended Forecast

Issued 03:00 AM EST 01 March 2021
Wednesday Wind west 30 knots diminishing to northwest 15 late in the day.
Thursday Wind northwest 15 knots increasing to northwest 20.
Friday Wind northwest 20 knots increasing to northwest 25.

Ice Forecast*

Issued 12:00 PM EST 28 February 2021 Today Tonight and Monday 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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 28 February 2021 Today Tonight and Monday

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 01 March 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.

Freezing spray warning in effect

Western Lake Ontario

Issued 03:00 AM EST 01 March 2021

Moderate or severe freezing spray is 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 1 March 2021 Today Tonight and Tuesday At 3:00 a.m. EST today low 996 mb located southeast of James Bay.
By 3:00 a.m. EST Tuesday departing low 992 mb located over Labrador.

At 3:00 a.m. EST today cold front from low located on a line
north-south over western Lake Ontario.
By 3:00 a.m. EST Tuesday departing cold front from low located on
a line north-south over the Maritimes.

At 3:00 a.m. EST today high 1030 mb located over southwestern
Manitoba.
By 3:00 a.m. EST Tuesday high 1034 mb located over Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)

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