Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 October 2018

Today Tonight and Sunday.

Strong wind warning in effect.

Wind west 20 knots veering to north 25 this evening then backing to northwest 20 early Sunday morning. Wind diminishing to northwest 15 near noon Sunday then backing to west 15 Sunday evening.

Showers beginning early this evening and ending near midnight.

Waves

Issued 10:30 AM EDT 20 October 2018
Today Tonight and Sunday. Waves 2 to 3 metres subsiding to one this evening and to one half metre Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 20 October 2018
Monday Wind northwest 15 knots backing to southwest 15 in the morning.
Tuesday Wind southwest 15 knots diminishing to light.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 Forecasts available to mariners upon request.

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

 

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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 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 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 2:27 PM EDT 20 October 2018

'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 10:30 AM EDT 20 October 2018 Today Tonight and Sunday At 10:30 a.m. EDT today low 983 mb located east of James Bay.
By 10:30 a.m. EDT Sunday low 991 mb located over Labrador.

At 10:30 a.m. EDT today cold front from low located on a line
northeast-southwest over Lake Huron.
By 10:30 a.m. EDT Sunday cold front from low located on a line
northeast-southwest over New Brunswick.

At 10:30 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 10:30 a.m. EDT Sunday ridge located on a line north-south over
Sault Ste. Marie.

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