Active Weather Alerts
Waterspout Watch
Issued: 11:00 PM Aug. 25, 2025 – Environment and Climate Change Canada
Conditions are favourable for the development of waterspouts over the Great Lakes tonight and Tuesday. The potential for waterspouts may continue Tuesday night into Wednesday over Lake Erie and Lake Ontario. ### Wind speeds inside the spray ring of a waterspout are 45 knots or higher. Vulnerable vessels are at risk of damage or capsizing. Waterspouts are generally isolated in nature although they can also occur in families of two or more. Spray rings associated with waterspouts can measure in the tens of metres. Waterspouts sometimes appear as funnel clouds with swirling water visible near the surface. Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
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