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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 04 August 2020

Today Tonight and Wednesday.

Wind light becoming west 10 knots early this evening then increasing to northwest 15 overnight. Wind backing to west 15 Wednesday morning.

Showers ending Wednesday morning. Risk of thunderstorms this afternoon and this evening.

Waves

Issued 03:00 AM EDT 04 August 2020
Today Tonight and Wednesday. Waves one half metre or less building to one Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 04 August 2020
Thursday Wind west 15 knots diminishing to light in the morning.
Friday Wind light.
Saturday Wind light.

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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» US Marine Weather
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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 4 August 2020 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Erie.
By 3:00 a.m. EDT Wednesday trough located on a line
northwest-southeast over western Quebec.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northwestern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over Lake Superior.

At 3:00 a.m. EDT today Tropical Storm Isaias 997 mb located over
North Carolina.
By 3:00 a.m. EDT Wednesday Post-tropical Storm Isaias 1003 mb
located over southern Quebec.

Great Lakes - Lake Huron Area

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