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Western Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 25 September 2023

Tonight and Tuesday.

Strong wind warning in effect.

Wind east 20 knots diminishing to southeast 15 late overnight then increasing to east 20 near noon Tuesday. Wind diminishing to southeast 15 Tuesday evening.

Waves

Issued 06:30 PM EDT 25 September 2023
Tonight and Tuesday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 early Tuesday morning then building to 1.5 Tuesday afternoon.

Extended Forecast

Issued 06:30 PM EDT 25 September 2023
Wednesday Wind east 15 knots.
Thursday Wind light.
Friday Wind light.

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

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM EDT 25 September 2023

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 25 September 2023 Tonight and Tuesday At 6:30 p.m. EDT tonight quasi-stationary high 1036 mb located
over northern Quebec.

At 6:30 p.m. EDT tonight low 1015 mb located over eastern Iowa.
By 6:30 p.m. EDT Tuesday low 1015 mb located over Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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