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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 06 December 2023

Today Tonight and Thursday.

Wind north 10 knots backing to northwest 10 this morning then to west 10 early this evening. Wind increasing to southwest 15 near midnight and to southwest 20 Thursday morning. Wind diminishing to southwest 15 near noon Thursday.

Scattered flurries ending near noon. Periods of snow or rain overnight and Thursday morning. Visibility as low as 1 mile in precipitation.

Waves

Issued 03:00 AM EST 06 December 2023
Today Tonight and Thursday. Waves 0.5 metres or less building to 1 to 1.5 overnight then subsiding to 0.5 to 1 Thursday afternoon.

Extended Forecast

Issued 03:00 AM EST 06 December 2023
Friday Wind light becoming south 15 knots in the morning.
Saturday Wind south 15 knots increasing to southwest 25 late in the day.
Sunday Wind southwest 25 knots diminishing to north 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 5 December 2023 Today Tonight and Wednesday 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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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EST 5 December 2023 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 6 December 2023 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Superior.
By 3:00 a.m. EST Thursday ridge located on a line
northeast-southwest over southeastern Ontario.

At 3:00 a.m. EST Thursday approaching trough located on a line
north-south over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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