 Fox's Madeline Rivera. Hurricane Beryl poses a major threat to the Caribbean islands. Dr. Michael Brennan is director of the National Hurricane Center. Extremely dangerous Category 4 Hurricane Beryl moving quickly towards the windward islands, moving west-northwest at 18 miles per hour with maximum sustained winds of around 130 miles per hour. Life-threatening hazards are expected as Beryl moves through the windward islands. Catastrophic wind damage also forecast.