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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:53 AM EST 05 December 2019

Today Tonight and Friday.

Wind west 20 knots veering to northwest 20 near noon then diminishing to west 10 this evening. Wind becoming variable 10 late overnight then increasing to north 15 Friday morning. Wind backing to northwest 15 Friday afternoon.

Flurries this morning. Flurries beginning near midnight becoming showers or flurries Friday morning and ending near noon Friday. Visibility as low as 1 mile in flurries.

Waves

Issued 03:00 AM EST 05 December 2019
Today Tonight and Friday. Waves one and one half metres subsiding to one this afternoon and to one half metre or less near midnight. Waves building to one half to one metre near noon Friday.

Extended Forecast

Issued 03:00 AM EST 05 December 2019
Saturday Wind northwest 15 knots diminishing to light in the afternoon.
Sunday Wind south 20 knots increasing to south 25.
Monday Wind south 25 knots diminishing to south 15.

Ice Forecast*

Issued 12:00 PM EST 4 December 2019 Today Tonight and Thursday Ice free.

*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 4 December 2019 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 5 December 2019 Today Tonight and Friday At 10:30 a.m. EST today ridge located on a line north-south over
western Lake Superior.
By 10:30 a.m. EST Friday ridge located on a line northeast-southwest
over Maine.

At 10:30 a.m. EST today low 1006 mb located over eastern North
Dakota.
By 10:30 a.m. EST Friday low 1012 mb located south of Lake Ontario.

At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Saskatchewan.
By 10:30 a.m. EST Friday ridge 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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