Issued 05:31 PM ADT 17 July 2019
Tonight and Thursday.
Strong wind warning in effect. Squall watch in effect.
Wind southwest 15 to 20 knots with gusts to 35 near thunderstorms. Wind becoming northwest 20 this evening then diminishing to variable 10 to 15 Thursday morning.
Showers ending after midnight with a risk of thunderstorms.
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Ice ForecastsIssued 10:00 AM EDT 2 June 2019 Forecasts have ended for the season.
Warnings (In effect)
Northumberland StraitIssued 5:31 PM ADT 17 July 2019
'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
Northumberland StraitIssued 5:26 PM ADT 17 July 2019 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.
A line of thunderstorms south of Miscou Island has the potential to develop gusts to 35 kts as it continues to track eastward into Gulf-Magdalen this evening.
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 17 July 2019 Tonight and Thursday At 3:30 p.m. ADT today trough located on a line northeast-southwest
over Anticosti Island.
By 10:00 a.m. ADT Thursday departing trough located on a line
northeast-southwest over Laurentian Fan.
At 3:00 a.m. ADT Thursday ridge located over Quebec.
By 8:00 p.m. ADT Thursday ridge located over the Maritimes.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northeastern half
- Banquereau - southwestern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
- 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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