SQUALL: Cornwall to Montréal
squall warning in effect
Issued: 3:36 PM EDT, Thursday, August 6, 2026
Expires: 6:40 PM EDT, Thursday, August 6, 2026
Urgency: Immediate
Severity: Severe
Squalls with wind gusts up to 75 km/h and frequent lightning are expected or occurring in the area.
A thunderstorm north of Cornwall is moving eastward.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.










