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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 07 December 2023

Today Tonight and Friday.

Wind southwest 15 knots veering to west 15 near noon then backing to southwest 15 early this evening. Wind backing to south 15 early Friday morning then diminishing to south 10 near noon Friday. Wind increasing to southeast 15 Friday evening.

Periods of snow or rain ending this afternoon. Visibility 1 mile or less in precipitation.

Waves

Issued 10:30 AM EST 07 December 2023
Today Tonight and Friday. Waves 1 metre subsiding to 0.5 or less late overnight then building to 0.5 to 1 Friday evening.

Extended Forecast

Issued 03:00 AM EST 07 December 2023
Saturday Wind south 15 knots increasing to south 20 late in the day.
Sunday Wind south 20 knots diminishing to northwest 15.
Monday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EST 7 December 2023 Today Tonight and Friday 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 7 December 2023 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 7 December 2023 Today Tonight and Friday At 10:30 a.m. EST today quasi-stationary ridge located on a line
north-south over Vermont.

At 10:30 a.m. EST today low 996 mb located over Montana.
By 10:30 a.m. EST Friday low 990 mb located near Lake of the Woods.

Great Lakes - Lake Erie and Lake Ontario Area

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