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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 13 December 2019

Today Tonight and Saturday.

Wind south 15 knots diminishing to southeast 10 near noon then backing to east 10 this evening. Wind increasing to northeast 15 overnight then backing to north 15 Saturday morning. Wind increasing to northwest 25 Saturday evening.

Rain beginning overnight becoming snow or rain Saturday evening.

Waves

Issued 03:00 AM EST 13 December 2019
Today Tonight and Saturday. Waves one metre subsiding to one half metre this afternoon then building to one Saturday morning. Waves building to one and one half metres Saturday evening.

Extended Forecast

Issued 03:00 AM EST 13 December 2019
Sunday Wind west 35 knots diminishing to northwest 20 in the afternoon.
Monday Wind light becoming east 15 knots.
Tuesday Wind light increasing to west 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EST 12 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 12 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 13 December 2019 Today Tonight and Saturday At 3:00 a.m. EST today departing ridge located from James Bay to
Nova Scotia then to North Carolina.

At 3:00 a.m. EST today quasi-stationary trough located on a line
northeast-southwest over northern Lake Michigan.

By 3:00 a.m. EST Saturday deepening low 1002 mb located over
North Carolina.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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