 Hurricane Beryl weakened overnight, but remains a Category 3 storm as it rumbles by south of the Cayman Islands with winds of 120 miles per hour. Heavy rainfall flooding, major hurricane force winds. National Hurricane Center Director Michael Brennan. Hurricane warnings are in effect for Little Cayman, Cayman Brac, and Grand Cayman. And then thinking farther downstream, Beryl is going to move towards the Yucatan Peninsula of Mexico and then across into the Gulf of Mexico and potentially threaten northeastern Mexico and south Texas.