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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 28 February 2021

Today Tonight and Monday.

Gale warning in effect.

Wind southeast 10 knots increasing to southeast 20 near noon then veering to south 25 this afternoon. Wind veering to southwest 30 near midnight then to west 30 early Monday morning. Wind increasing to northwest 40 Monday afternoon.

Showers beginning this afternoon changing to flurries Monday morning. Fog patches dissipating near noon.

Freezing spray warning in effect.

Freezing spray beginning Monday evening.

Waves

Issued 10:30 AM EST 28 February 2021
Today Tonight and Monday. Over open water waves one half metre or less building to one near noon and to one and one half metres early this evening. Waves building to 2 to 3 Monday morning and to 3 to 4 Monday evening.

Extended Forecast

Issued 03:00 AM EST 28 February 2021
Tuesday Wind northwest 35 knots diminishing to northwest 30 in the morning and to west 20 in the afternoon.
Wednesday Wind west 30 knots diminishing to west 15.
Thursday Wind north 15 knots increasing to northwest 25 late in the day.

Ice Forecast*

Issued 12:00 PM EST 28 February 2021 Today Tonight and Monday Open water except 9 tenths thin lake ice including 4 tenths medium lake ice in the extreme northeastern section. Consolidated medium lake ice in most sheltered bays in the northeastern section.

*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 except 9 tenths thin lake ice including 4 tenths medium
lake ice in the extreme northeastern section. Consolidated medium
lake ice in most sheltered bays in the northeastern section.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 10:30 AM EST 28 February 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

Eastern Lake Ontario

Issued 10:30 AM EST 28 February 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 10:30 AM EST 28 February 2021 Today Tonight and Monday At 10:30 a.m. EST today departing ridge located on a line
northeast-southwest over Quebec.

At 10:30 a.m. EST today low 1006 mb located over Wisconsin.
By 10:30 a.m. EST Monday low 984 mb located over Quebec.

By 10:30 a.m. EST Monday high 1034 mb located on a line
northeast-southwest over Lake of the Woods.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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