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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 07 October 2024

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 early this evening. Wind northwest 15 Tuesday.

Scattered showers overnight and Tuesday with a risk of waterspouts.

Waves

Issued 10:30 AM EDT 07 October 2024
Today Tonight and Tuesday. Waves 1 metre.

Extended Forecast

Issued 03:00 AM EDT 07 October 2024
Wednesday Wind west 15 knots veering to northwest 20 in the afternoon.
Thursday Wind northwest 15 knots.
Friday Wind southwest 20 knots increasing to southwest 25 late in the day.

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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 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EDT 07 October 2024

'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 7 October 2024 Today Tonight and Tuesday At 10:30 a.m. EDT today departing trough located on a line
northwest-southeast over the Ontario - Quebec border.

At 10:30 a.m. EDT today quasi-stationary low 992 mb located over
James Bay.

At 10:30 a.m. EDT today ridge located on a line north-south over
South Dakota.
By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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