Right here we go for todays pics. no wind, calm sea windmills facing westerly. this is the 2 Piers on the left is Cambois pier it has the windmills on it and the the other on the right is Blyth Pier , you can see the bend on this picture, and the rocks on the left is Peeping Toms, anyhow as you can see the entrance is calm.
As you can see the actual sea state at the Pier is calm butttttttt a bit of a sea starting at the other end of the Bay that being the Sluice end if you dont know this area.