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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 21 January 2020

Today Tonight and Wednesday.

Wind west 15 knots increasing to west 20 near noon then backing to southwest 25 early this evening. Wind southwest 20 Wednesday.

Flurries ending this afternoon.

Waves

Issued 10:30 AM EST 21 January 2020
Today Tonight and Wednesday. Waves one half metre building to one and one half metres this afternoon.

Extended Forecast

Issued 03:00 AM EST 21 January 2020
Thursday Wind southwest 15 knots diminishing to light in the morning.
Friday Wind light increasing to east 20 knots.
Saturday Wind east 20 knots.

Ice Forecast*

Issued 12:00 PM EST 21 January 2020 Today Tonight and Wednesday 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 21 January 2020 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 21 January 2020 Today Tonight and Wednesday At 10:30 a.m. EST today high 1040 mb located over southern Illinois.
By 10:30 a.m. EST Wednesday high 1035 mb located over Virginia.

At 10:30 a.m. EST today trough located on a line north-south over
western Manitoba.
By 10:30 a.m. EST Wednesday trough located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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