SUBMERGED WRECK - WANDSWORTH REACH: Mariners are advised that a wreck has been reported at the following approximate position: Latitude: 51°27'52.6" N Longitude: 0°11'32.9" W The wreck is estimated to be 3m x 1m, submerged at low water and outside of the navigable channel. Mariners are advised to exercise heightened caution in the area, with particular attention to water depth and under-keel clearance.