Western Lake Ontario


Marine Forecast

Issued 10:30 AM EDT 09 October 2015

Today Tonight and Saturday

Strong wind warning in effect.

Wind west 15 knots increasing to north 20 early this evening then diminishing to north 10 late overnight. Wind becoming light Saturday morning.


Issued 10:30 AM EDT 09 October 2015
Today Tonight and Saturday Waves one metre subsiding to less than one half metre Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 09 October 2015
Sunday Wind southwest 20 knots.
Monday Wind southwest 20 knots.
Tuesday Wind south 20 knots diminishing to light late in the day.

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 1 June 2015 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EDT 09 October 2015

'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 9 October 2015 Today Tonight and Saturday At 10:30 a.m. EDT today low 1008 mb located south of Kingston.
By 10:30 a.m. EDT Saturday deepening low 994 mb located over the
Gulf of St. Lawrence.

At 10:30 a.m. EDT today ridge located from Lake Winnipeg to
By 10:30 a.m. EDT Saturday ridge located from Quebec to Missouri.

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