Six waterspouts in southern ON on Aug 23 and 24
The NTP has confirmed six waterspouts in southern Ontario on August 23 and 24. They have been classified as 'Tornado (over water)' and assigned a rating of EF0-Default given no damage was reported.
Full details are available with the event summaries below, along with a regional map. The events can also be plotted on a map using the NTP Dashboard here.
===
Event Name: L Ontario (Grafton), ON
Date: August 23, 2026
Start Time: 8:15 AM EDT (1215 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 43.92N, 78.07W
Description: Witness captured photos of a waterspout over Lake Ontario (south of Grafton). No damage was reported. Event time is based on witness report.
Event Name: L Ontario (Grafton), ON
Date: August 23, 2026
Start Time: 11:59 AM EDT (1559 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 43.89N, 78.09W
Description: Witness captured photos of a waterspout over Lake Ontario (south of Grafton). No damage was reported. Event time is based on witness report.
Event Name: L Ontario (Grafton), ON
Date: August 24, 2026
Start Time: 7:32 AM EDT (1132 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 43.93N, 77.93W
Description: Witness captured photos of a waterspout over Lake Ontario (south of Grafton). No damage was reported. Event time is based on witness report.
Event Name: L Ontario (Brighton), ON
Date: August 24, 2026
Start Time: 7:40 AM EDT (1140 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 43.97N, 77.80W
Description: Witness captured video of a waterspout over Lake Ontario (south of Brighton). No damage was reported. Event time is based on witness report.
Event Name: Rice Lake, ON
Date: August 24, 2026
Start Time: 7:03 PM EDT (2303 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 44.19N, 78.14W
Description: Witness captured video of a waterspout over Rice Lake (near Harris Island). No damage was reported. Event time is based on witness report.
Event Name: L Erie (Pelee Island), ON
Date: August 23, 2026
Start Time: 7:30 PM EDT (2330 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 41.79N, 82.57W
Description: Witnesses captured video and photos of a waterspout over Lake Erie (east of Pelee Island). No damage was reported. Event time is based on witness report.
Regional map showing the locations of the six waterspouts in southern Ontario.
