L'Isle-aux-Coudres to Tadoussac
Issued 03:00 PM EDT 17 May 2021
Tonight and Tuesday.
Squall watch in effect.
Wind light with gusts to 35 knots near thunderstorms. Wind becoming southwest 10 to 15 this evening then becoming light late overnight. Wind becoming northwesterly 10 to 15 Tuesday morning then becoming light Tuesday evening.
Showers ending this evening with a risk of thunderstorms. Showers overnight and Tuesday morning.
Zoom-in to make a selection
Watches (In effect)
Squall watch in effect
L'Isle-aux-Coudres to TadoussacIssued 2:35 PM EDT 17 May 2021 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.
Until this evening, conditions are favourable for the development of squalls with wind gusts up to 35 knots.
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.
L'Isle-aux-Coudres to TadoussacIssued 3:00 PM EDT 17 May 2021
Technical Marine SynopsisIssued 3:00 PM EDT 17 May 2021 Tonight and Tuesday At 3:00 p.m. EDT today ridge located on a line north-south over
By 8:00 a.m. EDT Tuesday departing ridge located east of
At 3:00 p.m. EDT today trough located northwest of Montréal.
By 8:00 p.m. EDT Tuesday trough located on a line north-south over
the Gulf of St. Lawrence.
At 2:00 a.m. EDT Tuesday ridge located on a line north-south over
By 8:00 p.m. EDT Tuesday ridge located on a line northeast-southwest
over Lake Erie.
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 - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- 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
- 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
What we are doing
- Date modified: