The Bermuda Islands are covered with low hills of insignificant
height to affect the local air masses. Therefore, it is assumed that the
major control of the climate of Bermuda are the local ocean currents, the
Florida and Gulf Stream currents. The warm Gulf Stream waters, which curl
around Bermuda on the west and north, are important in keeping the temperature
of the marine environment high enough to allow the existence of coral reef
fauna, which is essentially tropical in nature.