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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 October 2021

Today Tonight and Saturday.

Strong wind warning in effect.

Wind west 10 knots becoming light near noon then becoming southwest 10 this evening. Wind increasing to northwest 15 early Saturday morning and to northwest 20 Saturday afternoon.

Showers. Risk of thunderstorms late this afternoon tonight and Saturday.

Waves

Issued 10:30 AM EDT 15 October 2021
Today Tonight and Saturday. Waves less than 0.5 metres building to 0.5 to 1 Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 15 October 2021
Sunday Wind west 25 knots.
Monday Wind northwest 20 knots.
Tuesday Wind west 15 knots increasing to southwest 25.

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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

Western Lake Ontario

Issued 3:00 PM EDT 15 October 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 15 October 2021 Today Tonight and Saturday At 10:30 a.m. EDT today low 995 mb located over northeastern
Manitoba.
By 10:30 a.m. EDT Saturday low 997 mb located over western
Hudson Bay.

At 10:30 a.m. EDT today trough located from Lake Ontario to
Arkansas.
By 10:30 a.m. EDT Saturday low 997 mb located near Ottawa.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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