Prescott to Cornwall
Issued 03:00 PM EDT 28 August 2016
Today Tonight and Monday
Squall watch in effect.
Wind southwest 10 knots with gusts to 50 near thunderstorms. Wind becoming northwest 10 this evening then becoming light late overnight.
A few showers or a few thunderstorms ending near midnight.
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There is no ice forecast issued for this area.
Watches (In effect)
Squall watch in effect
Prescott to CornwallIssued 3:01 PM EDT 28 August 2016 Conditions are favourable for the development of squalls with wind gusts up to 50 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times.
Thunderstorm activity is expected to wind down early this evening.
Large hail can damage vessels and cause injury. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Technical Marine SynopsisIssued 10:30 AM EDT 28 August 2016 Today Tonight and Monday At 10:30 a.m. EDT today departing high 1026 mb located over
At 10:30 a.m. EDT today low 1016 mb located north of Lake Nipissing.
By 10:30 a.m. EDT Monday low 1008 mb located over eastern Quebec.
At 10:30 a.m. EDT today building high 1023 mb located over southern
By 10:30 a.m. EDT Monday high 1026 mb located over North Channel.
At 10:30 a.m. EDT today trough located on a line north-south
By 10:30 a.m. EDT Monday trough located on a line north-south over
Lake of the Woods.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen - western half
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Prescott to Cornwall
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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