Bank holiday climbing on the finest limestone in the country. For those new to Pembroke, there is a good introduction to the area on UKC — https://www.ukclimbing.com/articles/destinations/beginners_pembroke-10261.
Camping will (hopefully — awaiting confirmation) be at the St Petrox campsite (http://www.stpetroxcampingandcaravansite.co.uk).
You can download the tide times at https://www.visitpembrokeshire.com/wp-content/uploads/Pembrokeshire-Tide-Times-Tables-2022.pdf