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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 06 December 2019

Today Tonight and Saturday.

Wind variable 10 knots increasing to north 15 this morning then backing to northwest 15 this afternoon. Wind diminishing to northwest 10 Saturday morning then backing to west 10 near noon Saturday. Wind backing to southwest 10 Saturday evening.

Snow early this morning. Rain or snow this morning. Visibility as low as 1 mile in precipitation.

Waves

Issued 03:00 AM EST 06 December 2019
Today Tonight and Saturday. Waves one half metre or less building to one early this evening then subsiding to one half metre or less Saturday morning.

Extended Forecast

Issued 03:00 AM EST 06 December 2019
Sunday Wind south 20 knots increasing to south 25 in the morning.
Monday Wind south 25 knots diminishing to south 15.
Tuesday Wind west 30 knots diminishing to west 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 5 December 2019 Today Tonight and Friday 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 5 December 2019 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 6 December 2019 Today Tonight and Saturday At 3:00 a.m. EST today low 1012 mb located over southern Lake
Michigan.
By 3:00 a.m. EST Saturday departing low 1009 mb located off
Nova Scotia.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over the Ontario - Manitoba border.
By 3:00 a.m. EST Saturday ridge located on a line
northeast-southwest over Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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