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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 19 January 2020

Today Tonight and Monday.

Wind northwest 20 knots veering to north 15 near midnight then diminishing to northwest 10 Monday morning. Wind increasing to northwest 15 Monday afternoon.

Flurries ending this evening. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 19 January 2020
Today Tonight and Monday. Waves one and one half metres subsiding to one half metre late overnight and to less than one half metre near noon Monday. Waves building to one Monday evening.

Extended Forecast

Issued 03:00 AM EST 19 January 2020
Tuesday Wind light increasing to west 15 knots in the morning and to southwest 25 in the afternoon.
Wednesday Wind southwest 25 knots.
Thursday Wind southwest 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 19 January 2020 Today Tonight and Monday 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 EST 19 January 2020 Today Tonight and Monday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 19 January 2020 Today Tonight and Monday At 10:30 a.m. EST today departing low 997 mb located off Maine.

At 10:30 a.m. EST today departing trough from low located on a
line east-west over Lake Ontario.

At 10:30 a.m. EST today high 1043 mb located over Saskatchewan.
By 10:30 a.m. EST Monday high 1045 mb located over South Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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