Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 22 June 2017

Today Tonight and Friday.

Strong wind warning in effect.

Wind south 10 knots increasing to southwest 15 early this evening and to southwest 20 late this evening. Wind diminishing to southwest 15 late overnight and to southwest 10 Friday morning. Wind veering to northwest 10 Friday afternoon.

Showers with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 22 June 2017
Today Tonight and Friday. Waves one to one and one half metres.

Extended Forecast

Issued 03:00 AM EDT 22 June 2017
Saturday Wind west 15 knots.
Sunday Wind southwest 15 knots.
Monday Wind southwest 15 knots veering to northwest 15.

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Weather Conditions

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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 27 April 2017 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 12:19 PM EDT 22 June 2017

'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 22 June 2017 Today Tonight and Friday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 10:30 a.m. EDT Friday ridge located on a line north-south over
New Brunswick.

At 10:30 a.m. EDT today low 994 mb located over central Manitoba.
By 3:00 a.m. EDT Friday low 996 mb located east of James Bay.

At 10:30 a.m. EDT today trough from low located on a line
north-south over Minnesota.
By 10:30 a.m. EDT Friday trough from low located on a line
northeast-southwest over Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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