These are pictures which are linked to various google maps. The have to be on-line somewhere. Most are tide related
The series of pictures below are from a GPS tracked Low Tide Walk from Tenby to Saundersfoot around Monkstone Point 29 09 2015
This Low Tide Walk can only be down on exceptional low tides.
Tenby Harbour – Low Tide
Sam on Goscar rock, North Beach; Tenby . This is a tidal island insofar as it is surrounded by sea a high tide. Great for climbing.
Tidal Cultures 