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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 16 June 2021

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 10 knots increasing to west 15 near noon and to west 20 this afternoon. Wind diminishing to northwest 15 this evening then backing to southwest 15 Thursday morning. Wind backing to south 15 Thursday evening.

Waves

Issued 10:30 AM EDT 16 June 2021
Today Tonight and Thursday. Waves one half to one metre.

Extended Forecast

Issued 03:00 AM EDT 16 June 2021
Friday Wind south 15 knots veering to southwest 20 in the afternoon.
Saturday Wind southwest 15 knots veering to west 20.
Sunday Wind west 15 knots diminishing to light.

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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
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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 10:30 AM EDT 16 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 10:30 AM EDT 16 June 2021 Today Tonight and Thursday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 10:30 a.m. EDT Thursday ridge located on a line north-south
over Lake Erie.

At 10:30 a.m. EDT today trough located on a line north-south over
western Manitoba.
By 10:30 a.m. EDT Thursday trough located on a line north-south
over western Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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