Western Lake Ontario


Marine Forecast

Issued 03:00 AM EDT 24 October 2016

Today Tonight and Tuesday

Strong wind warning in effect.

Wind northwest 20 knots increasing to northwest 25 this morning then diminishing to north 15 overnight. Wind increasing to northwest 20 Tuesday evening.

Chance of showers today and Tuesday.


Issued 03:00 AM EDT 24 October 2016
Today Tonight and Tuesday Waves one metre building to one and one half metres near noon then subsiding to one this evening.

Extended Forecast

Issued 03:00 AM EDT 24 October 2016
Wednesday Wind north 15 knots diminishing to light in the morning then becoming east 15 late in the day.
Thursday Wind east 25 knots diminishing to variable 15.
Friday Wind northwest 20 knots backing to southwest 15.

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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 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 7 May 2016 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 07:47 AM EDT 24 October 2016

'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 3:00 AM EDT 24 October 2016 Today Tonight and Tuesday At 3:00 a.m. EDT today departing low 985 mb located over eastern

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over North Dakota.
By 3:00 a.m. EDT Tuesday ridge located on a line northwest-southeast
over Whitefish Bay.

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