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Western Lake Ontario


Marine Forecast

Issued 11:03 AM EDT 22 October 2019

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind south 15 knots increasing to southwest 20 early this evening and to southwest 25 near noon Wednesday.

Showers ending this evening.


Issued 11:02 AM EDT 22 October 2019
Today Tonight and Wednesday. Waves one metre building to one and one half metres this evening and to 2 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 22 October 2019
Thursday Wind southwest 20 knots veering to northwest 15 late in the day.
Friday Wind northwest 15 knots.
Saturday Wind west 15 knots diminishing to light late in the day.

Ice Forecast*

Issued 12:00 PM EDT 19 May 2019 Forecasts available to mariners upon request.

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


[ Canadian Ice Service ]

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Weather Conditions

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Map of Great Lakes - Lake Huron 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 EDT 19 May 2019

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 11:03 AM EDT 22 October 2019

'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.


Technical Marine Synopsis

Issued 10:30 AM EDT 22 October 2019 Today Tonight and Wednesday At 10:30 a.m. EDT today low 989 mb located over western Lake
By 10:30 a.m. EDT Wednesday low 991 mb located over northern

Great Lakes - Lake Huron Area

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