Northumberland Strait - western half
Issued 03:30 PM ADT 23 July 2016 04:16 PM ADT 23 July 2016
Tonight and Sunday
Wind southwest 15 to 20 knots diminishing to southwest 10 to 15 late this afternoon then becoming light late this evening.
Chance of showers late this afternoon and tonight with a risk of thunderstorms. Chance of showers Sunday afternoon and evening with a risk of thunderstorms. Fog patches forming this evening and dissipating Sunday morning.
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Ice ForecastsIssued 10:00 AM EDT 25 May 2016 Forecasts have ended for the season.
Watches (In effect)
Squall watch in effect
Northumberland StraitIssued 5:23 PM ADT 23 July 2016 Conditions are favourable for the development of squalls with wind gusts up to 45 knots.
Some very heavy thunderstorms moving from New Brunswick into the western half of Northumberland Strait are accompanied by gale force squalls. It is possible that these could reach 35 to 45 knots in the next hour or two.
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
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 3:30 PM ADT 23 July 2016 Tonight and Sunday At 3:30 p.m. ADT today trough located over southern New Brunswick.
By 3:00 a.m. ADT Sunday trough located over Nova Scotia.
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
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- 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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