Tornadoes over water in ON on Sep 17/18
The NTP has confirmed three 'tornadoes (over water)' in southern Ontario from September 17 and 18. Each of these waterspouts exhibited a clear spray vortex at the water surface as they occurred over Georgian Bay and Lake Huron.
Details are provided in the summaries below, along with links to the initial reports and a map. Event information can also be viewed and plotted via the NTP Dashboard at .
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Event Name: Georgian Bay (Christian Island), ON
Date: September 17, 2023
Estimated Start Time: 12:23 PM EDT (1623 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 44.770N, 80.145W
Description: Witness captured video of a tornado over Georgian Bay near Christian Island. No damage reported.
Link:
Event Name: Georgian Bay (Wasaga Beach), ON
Date: September 18, 2023
Estimated Start Time: 7:30 AM EDT (1130 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 44.56N, 80.07W
Description: Witnesses in the Wasaga Beach area captured photos of a tornado over Georgian Bay. No damage reported.
Link:
Event Name: Lake Huron (Port Franks), ON
Date: September 18, 2023
Estimated Start Time: 8:00 AM EDT (1200 UTC)
Final Classification: Tornado (Over Water)
Final EF-Scale Rating: EF0-Default
Estimated Tornado Location: 43.29N, 81.89W
Description: Witnesses in Kettle Point and Grand Bend captured photos of a tornado over Lake Huron near Port Franks. No damage reported.
Link: 
Map showing the locations of the tornado (over water) events on Georgian Bay (top) and Lake Huron (left).
