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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 29 November 2020

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 20 knots diminishing to southwest 15 this morning then backing to south 15 this afternoon. Wind backing to southeast 15 overnight then increasing to northeast 25 near noon Monday. Wind diminishing to north 15 Monday evening.

Rain Monday morning and afternoon changing to showers.

Waves

Issued 03:00 AM EST 29 November 2020
Today Tonight and Monday. Waves one metre subsiding to one half metre or less near noon then building to one Monday afternoon.

Extended Forecast

Issued 03:00 AM EST 29 November 2020
Tuesday Wind north 15 knots backing to west 20 in the afternoon.
Wednesday Wind west 30 knots.
Thursday Wind west 25 knots.

Ice Forecast*

Issued 12:00 PM EST 28 November 2020 Today Tonight and Sunday 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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 28 November 2020 Today Tonight and Sunday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EST 29 November 2020

'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 29 November 2020 Today Tonight and Monday At 3:00 a.m. EST today low 1007 mb located over northwestern
Ontario.
By 3:00 a.m. EST Monday weakening low 1009 mb located near
Georgian Bay.

At 3:00 a.m. EST today ridge located from Kansas to West Virginia.
By 3:00 a.m. EST Monday departing ridge located off the East Coast
of the U.S.

At 3:00 a.m. EST today low 1012 mb located southeast of Texas.
By 3:00 a.m. EST Monday approaching low 1003 mb located over
North Carolina.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Saskatchewan.
By 3:00 a.m. EST Monday ridge located on a line northeast-southwest
over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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