During a strong depression they reach easily double mast hight. But dont't worry - there are always more sheltered bays with smaller waves which break even cleaner. For people without wave ambitions there's a small loch in the middle of the island. The wide Gott Bay is also very good for slalom sailing. Most of the year Tiree is a very quiet place.
Nightlife takes place at two simple pubs where the few windsurfers and the locals meet.
The only exeption is the first week of october when the british windsurfing sceen populates the island for the Tiree Wave Classic. Then Tiree wakes up from sleeping for a while. Estimated average wind speed during your trip. Please give a concise description and evaluation of the above location as a windsurfing destination.