Cornwall to Montréal


Marine Forecast

Issued 03:00 PM EDT 27 May 2015

Tonight and Thursday

Strong wind warning in effect. Squall watch in effect.

Wind southwest 20 to 30 knots with gusts to 40 near thunderstorms. Wind becoming southwest 10 to 20 early this evening then veering to northwest 10 to 20 early Thursday afternoon.

A few showers ending early this evening with a risk of thunderstorms. A few showers Thursday morning and afternoon.

Extended Forecast

Issued 06:00 AM EDT 27 May 2015
Friday Wind light.
Saturday Wind southwest 15 to 25 knots.
Sunday Wind north 10 to 20 knots.

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Egbert 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 Kemptville 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 Toronto Pearson Int'l Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands CFB Borden Cove Island Long Point Port Colborne Erieau Point Pelee Toronto Buttonville Municipal Airport
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Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 3:00 PM EDT 27 May 2015

'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.

Watches (In effect)

Squall watch in effect

Cornwall to Montréal

Issued 2:54 PM EDT 27 May 2015

Weather conditions remain favorable to the development of lines of
Thunderstorms capable of producing gusts up to 40 knots today over
Southern and Central Quebec.

Please note that the line of thunderstorms between Trois-Rivières and
Isle-aux-Coudres has now weakened.

In effect from 11:00 AM to 06:00 PM.

Attention marine interests. Please listen for updates of this warning
For the latest information.


Technical Marine Synopsis

Issued 3:00 PM EDT 27 May 2015 Tonight and Thursday At 3:00 p.m. EDT today trough located on a line northeast-southwest
over the Great Lakes.
By 8:00 p.m. EDT Thursday trough located on a line
northeast-southwest over Maine.

Great Lakes - Lake Erie and Lake Ontario Area

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