Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 30 May 2015

Today Tonight and Sunday

Strong wind warning in effect. Squall watch in effect.

Wind southerly 10 to 15 knots increasing to southwest 15 to 20 this morning and to southwest 20 to 30 early this afternoon with gusts to 45 near thunderstorms. Wind becoming northerly 10 to 20 this evening.

Chance of showers early this morning. A few showers and thunderstorms today and this evening. Visibility as low as 1 mile in precipitation.

Extended Forecast

Issued 06:00 AM EDT 30 May 2015
Monday Wind northeast 15 to 25 knots.
Tuesday Wind northeast 15 knots becoming southwest 15.
Wednesday Wind southwest 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

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 06:17 AM EDT 30 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 02:39 AM EDT 30 May 2015

A vigorous cold front will sweep the province of Quebec later today.
As it passes, a line of strong thunderstorms continues to develop and
Will cross the St Lawrence River between Cornwall and
Isle-aux-Coudres in the afternoon or early in the evening. Gusts up
To 45 knots are possible on the passage of this line of showers.

In effect from 01:00 PM to 08:00 PM.

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

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 30 May 2015 Today Tonight and Sunday At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over Lake Huron.
By 8:00 a.m. EDT Sunday departing cold front located on a line
northeast-southwest over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today ridge located on a line east-west over
Lake Superior.
By 8:00 p.m. EDT Sunday ridge located on a line northwest-southeast
over Pointe-des-Monts.

Great Lakes - Lake Erie and Lake Ontario Area

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