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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 June 2021

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind west 15 knots veering to northwest 15 early this morning then diminishing to variable 10 this afternoon. Wind increasing to north 15 this evening then backing to west 15 Wednesday morning. Wind increasing to west 20 Wednesday afternoon then diminishing to west 15 Wednesday evening.

Showers ending this evening.

Waves

Issued 03:00 AM EDT 15 June 2021
Today Tonight and Wednesday. Waves one half to one metre subsiding to one half metre this morning then building to one near noon Wednesday. Waves building to one and one half metres Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 15 June 2021
Thursday Wind northwest 15 knots backing to southwest 15 in the afternoon.
Friday Wind southwest 15 knots increasing to southwest 20.
Saturday Wind southwest 15 knots veering to west 20.

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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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 15 June 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 EDT 15 June 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over eastern Lake Ontario.
By 3:00 a.m. EDT Wednesday trough located on a line
northeast-southwest over New Brunswick.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake of the Woods.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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