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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 April 2023

Today Tonight and Sunday.

Wind southeast 20 knots veering to southwest 25 this morning then diminishing to southwest 15 this afternoon. Wind increasing to northwest 25 this evening then diminishing to north 15 Sunday morning. Wind diminishing to variable 10 near noon Sunday then increasing to southeast 15 Sunday evening.

Rain and mist with a risk of thunderstorms changing to scattered showers this morning and ending this evening with a risk of thunderstorms. Visibility as low as 1 mile in mist.

Waves

Issued 03:00 AM EDT 01 April 2023
Today Tonight and Sunday. Waves 1.5 to 2 metres.

Extended Forecast

Issued 03:00 AM EDT 01 April 2023
Monday Wind southeast 15 knots veering to southwest 15 in the afternoon.
Tuesday Wind light increasing to northeast 20 knots late in the day.
Wednesday Wind northeast 25 knots diminishing to southwest 15.

Ice Forecast*

Issued 12:00 PM EDT 31 March 2023 Today Tonight and Saturday 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 31 March 2023 Today Tonight and Saturday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 1 April 2023 Today Tonight and Sunday At 3:00 a.m. EDT today low 987 mb located over central Wisconsin.
By 3:00 a.m. EDT Sunday low 984 mb located north of Nova Scotia.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over southern Manitoba.
By 3:00 a.m. EDT Sunday ridge located on a line north-south over
Lake Michigan.

At 3:00 a.m. EDT today approaching trough located on a line
east-west over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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