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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 22 September 2023

Today Tonight and Saturday.

Wind southeast 10 knots increasing to east 15 near noon then diminishing to southeast 10 near midnight. Wind backing to east 10 near noon Saturday then increasing to northeast 15 Saturday evening.

Waves

Issued 10:30 AM EDT 22 September 2023
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 this afternoon then subsiding to 0.5 or less late overnight.

Extended Forecast

Issued 03:00 AM EDT 22 September 2023
Sunday Wind northeast 20 knots.
Monday Wind northeast 15 knots.
Tuesday Wind northeast 20 knots.

Ice Forecast*

Issued Forecasts available to mariners upon request.

*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 

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 22 September 2023 Today Tonight and Saturday At 10:30 a.m. EDT today weakening trough located on a line
northeast-southwest over Lake Superior.

At 10:30 a.m. EDT today high 1028 mb located over northwestern
Ontario.
By 10:30 a.m. EDT Saturday high 1028 mb located south of James Bay.

At 10:30 a.m. EDT today approaching low 996 mb located southeast
of North Carolina.

Great Lakes - Lake Erie and Lake Ontario Area

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