 It struck on Sunday 12 September, bringing with it sustained winds of 155 miles per hour, gusts of up to 217 mph, and a storm surge of sea water of eight to 10 feet, which covered most of the Island.A quarter of Grand Cayman remained submerged by flood waters two days later.Both Cayman Brac and Little Cayman suffered damage, although not to the same extent as Grand Cayman.