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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 25 September 2021

Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 20 knots diminishing to west 15 this evening then backing to southwest 15 Sunday morning. Wind increasing to southwest 20 Sunday afternoon.

Showers this evening.

Waves

Issued 06:30 PM EDT 25 September 2021
Tonight and Sunday. Waves 0.5 to 1 metre building to 1.5 Sunday evening.

Extended Forecast

Issued 06:30 PM EDT 25 September 2021
Monday Wind southwest 20 knots diminishing to north 15 in the afternoon.
Tuesday Wind north 15 knots diminishing to light.
Wednesday Wind light.

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Map of Great Lakes - Lake Huron 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 7:56 PM EDT 25 September 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 26 September 2021 Today Tonight and Monday At 3:00 a.m. EDT today departing cold front located on a line
north-south over Montréal.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Erie.
By 3:00 a.m. EDT Monday departing ridge located on a line
northeast-southwest over New York State.

By 3:00 a.m. EDT Monday approaching high 1011 mb located over
northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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