High "Spring" Tides 31st August ’15…. Welcome to Pembrokeshire U3A › Forums › What’s On in Pembrokeshire › High "Spring" Tides 31st August ’15…. This topic is empty. Viewing 1 post (of 1 total) Author Posts August 28, 2015 at 10:22 am #8606 Anonymous High “Spring” Tides forecast for 31st August '15 peaking at 7.8 metres (25.7ft) at 19-21hrs :. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In