Source Heysham Bird Observatory (LWT) (http://heyshamobservatory.blogspot.com/2018/02/high-tide-displacement.html)

High tide displacement

Iceland Gull - 3rd W only after c1250 when tide had dropped low enough for waterfall to be visible - absent earlier but couldn't see whole of Fisher's roof
Pale-bellied Brent Goose - two off the children's play area at north end of horse fields, visible from Knowlys road i.e. usual place, but again only on the dropping afternoon tide
Chough - 2nd field this am
Stonechat - female OE saltmarsh
Eider - at least 420 but nothing with them
Great-crested Grebe - 2 offshore
Kittiwake - 2 +5 out (bit unexpected)