Complex sentence: The heights of Dartmoor, immediately to the north west, protect the resort from the prevailing winds, and the Gulf Stream brings into the bay warmer waters, the end result being a climate that is much milder that that experienced by most of the UK.
Split into simpler sentences: The heights of Dartmoor, immediately to the north west, protect the resort from the prevailing winds and the Gulf Stream brings into the bay warmer waters. The end result being a climate that is much milder that that experienced by most of the UK.