Western Lake Ontario


Marine Forecast

Issued 10:30 AM EDT 27 October 2016

Today Tonight and Friday

Gale warning in effect.

Wind east 35 knots diminishing to east 30 near noon and to northwest 25 early this evening. Wind diminishing to northwest 15 Friday morning then backing to west 15 Friday afternoon.

Rain ending this evening.


Issued 10:30 AM EDT 27 October 2016
Today Tonight and Friday Waves 3 to 4 metres subsiding to 2 to 3 this afternoon and to one this evening. Waves subsiding to one half metre near noon Friday.

Extended Forecast

Issued 03:00 AM EDT 27 October 2016
Saturday Wind southwest 25 knots.
Sunday Wind west 15 knots veering to north 15.
Monday Wind light.

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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)

Gale warning in effect

Western Lake Ontario

Issued 10:30 AM EDT 27 October 2016

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 27 October 2016 Today Tonight and Friday At 10:30 a.m. EDT today low 1014 mb located over western Lake Erie.
By 10:30 a.m. EDT Friday low 1010 mb located over southeastern
New Hampshire.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Wisconsin.
By 10:30 a.m. EDT Friday ridge located on a line northeast-southwest
over Lake Huron.

By 10:30 a.m. EDT Friday low 1002 mb located over northeastern
North Dakota.

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