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Western Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 20 October 2020

Tonight and Wednesday.

Strong wind warning in effect.

Wind east 10 knots increasing to southeast 15 this evening then veering to southwest 15 early Wednesday morning. Wind increasing to southwest 20 late Wednesday morning then diminishing to west 15 Wednesday afternoon.

Showers overnight and Wednesday with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 20 October 2020
Tonight and Wednesday. Waves one half metre or less building to one near midnight.

Extended Forecast

Issued 06:30 PM EDT 20 October 2020
Thursday Wind light becoming east 15 knots in the afternoon.
Friday Wind southeast 15 knots veering to southwest 20 late in the day.
Saturday Wind southwest 20 knots veering to northwest 15.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday Forecasts available to mariners upon request.

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

 

[ Canadian Ice Service ]

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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 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM EDT 20 October 2020

'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 6:30 PM EDT 20 October 2020 Tonight and Wednesday At 6:30 p.m. EDT tonight high 1028 mb located over the Ontario -
Quebec border.
By 6:30 p.m. EDT Wednesday high 1032 mb located over Labrador.

At 6:30 p.m. EDT tonight trough located on a line north-south over
North Dakota.
By 6:30 p.m. EDT Wednesday trough located on a line
northwest-southeast over Lake Nipissing.

By 6:30 p.m. EDT Wednesday approaching ridge located on a line
northwest-southeast over Lake Michigan.

Great Lakes - Lake Huron Area

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