Offshore southbound 4 Red-throated Diver, 3 Eider, Great Crested Grebe, Shag & Velvet Scoter with northbound 8 Red-throats, 4 Brent, 2 Common Scoter & Great Northern Diver plus a Goosander in off over the observatory & into Essex. 2 Purps were on the point & a Fieldfare at the obs.