43°57'N / 78°10'O / Altitude 78 m / 20:51 12/08/2026, America/Toronto (UTC-4)
De: 12/08/2026, 16:52
Para: 13/08/2026, 02:00
Conditions are favourable for the development of squalls with wind gusts up to 45 knots, frequent lightning and hail. Thunderstorms are expected to track east over the lakes this afternoon and evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Western Lake Ontario
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Environment Canada
12/08/2026, 16:54De: 12/08/2026, 19:29
Para: 12/08/2026, 23:00
Squalls with wind gusts up to 40 knots and hail up to 2 centimetres are expected or occurring in the area. Thunderstorms near Mississauga are moving southeast at 20 knots. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Western Lake OntarioEnvironment Canada12/08/2026, 19:31