Waterspout potential forecast maps for both North America and Great Lakes sectors. 
Waterspout Index color key: The warmer the color, the higher the waterspout potential. Note: Waterspouts occur when both waterspout potential and low-level convergence (i.e. fronts, troughs, land breezes, etc.) are present at the same time.

Waterspout Potential Forecasts for North America and Great Lakes Sectors (3 hour time steps starting at 11 am EDT, October 1 to 2 am EDT October 2)
North America

Great Lakes