The ICWR (International Centre for Waterspout Research) is an independent non-governmental organization comprised of individuals from around the world who are interested in the field of waterspouts. They have started issuing forecasts for waterspouts on the Great Lakes.
Here’s the latest waterspout forecast. At 2am early Fri. AM, there is a significant threat in parts of Upper Michigan, West Michigan and just east of Lake Huron, with a lesser threat downwind from Lakes Erie and Ontario.
Gale Warnings have been in effect for Lake Michigan. At noon, waves are running 6 feet at the Port Sheldon buoy, with a maximum wave of 9 feet – and 7.2 feet for an average wave at the Ludington Buoy – best to stay off the piers and breakwaters.. There’s a Lakeshore Flood Advisory for Manistee, Benzie, Leelanau, Antrim, Emmet and Charlevoix Counties until noon. Here’s Grand Rapids radar:
and regional radar:
Go to: Most Recent Image
Also: The Science of Waterspouts.