Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 March 2019

Today Tonight and Saturday.

Wind west 15 knots veering to northwest 20 this morning then increasing to northwest 30 this afternoon. Wind diminishing to northwest 20 overnight then backing to west 20 Saturday afternoon.

Showers or flurries changing to flurries early this evening and ending near midnight.

Waves

Issued 03:00 AM EDT 22 March 2019
Today Tonight and Saturday. Waves one half metre building to one near noon and to 2 early this evening. Waves subsiding to one Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 22 March 2019
Sunday Wind west 25 knots diminishing to west 15 in the afternoon.
Monday Wind northeast 20 knots backing to northwest 15.
Tuesday Wind northwest 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 21 March 2019 Today Tonight and Friday Open water.

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

 

[ Canadian Ice Service ]

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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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 21 March 2019 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 22 March 2019 Today Tonight and Saturday At 3:00 a.m. EDT today low 995 mb located southeast of Pennsylvania.
By 3:00 a.m. EDT Saturday low 979 mb located over Maine.

At 3:00 a.m. EDT today weakening trough located on a line
northeast-southwest over Georgian Bay.

At 3:00 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 3:00 a.m. EDT Saturday ridge located on a line
northeast-southwest over eastern Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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