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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 May 2020

Today Tonight and Tuesday.

Wind southeast 15 knots diminishing to southeast 10 this afternoon then veering to south 10 early Tuesday morning. Wind becoming light near noon Tuesday.

Waves

Issued 10:30 AM EDT 25 May 2020
Today Tonight and Tuesday. Waves one half to one metre subsiding to one half metre or less this afternoon.

Extended Forecast

Issued 03:00 AM EDT 25 May 2020
Wednesday Wind south 15 knots diminishing to light in the morning.
Thursday Wind south 15 knots diminishing to light late in the day.
Friday Wind light increasing to northwest 20 knots late in the day.

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 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 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 10:30 AM EDT 25 May 2020 Today Tonight and Tuesday At 10:30 a.m. EDT today trough located on a line northeast-southwest
over James Bay.
By 10:30 a.m. EDT Tuesday trough located on a line east-west over
northeastern Ontario.

By 10:30 a.m. EDT Tuesday approaching low 1009 mb located over
Minnesota.

By 10:30 a.m. EDT Tuesday high 1021 mb located over James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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