Western Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 30 July 2016

Tonight and Sunday

Strong wind warning in effect.

Wind east 20 knots backing to northeast 15 to 20 late overnight.

Chance of showers Sunday with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 30 July 2016
Tonight and Sunday Waves one metre.

Extended Forecast

Issued 06:30 PM EDT 30 July 2016
Monday Wind north 15 knots diminishing to light in the afternoon.
Tuesday Wind light.
Wednesday Wind light.

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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 7 May 2016 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM EDT 30 July 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.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 30 July 2016 Tonight and Sunday At 6:30 p.m. EDT tonight low 1012 mb located over Ohio.
By 6:30 p.m. EDT Sunday low 1015 mb located over eastern Lake Erie.

At 6:30 p.m. EDT tonight ridge located on a line east-west over
northeastern Ontario.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over Whitefish Bay.

By 6:30 p.m. EDT Sunday trough located on a line north-south over
western North Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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