EXPERIMENTAL GREAT LAKES WATERSPOUT FORECAST

Szilagyi Waterspout Index (SWI)

These charts are shared this way as a temporary measure until a more permanent method
to do so can be found and implemented

Please visit the International Centre for Waterspout Research for more information

00 hour forecast
03 hour forecast
06 hour forecast
09 hour forecast
12 hour forecast
15 hour forecast

18 hour forecast
21 hour forecast

24 hour forecast
27 hour forecast

30 hour forecast
33 hour forecast

36 hour forecast
39 hour forecast

42 hour forecast
45 hour forecast

48 hour forecast