Chart correction N51/23 — chart 37241

37241  22Ed.  03/09/19  LAST  NM  N46/23  N51/23 Delete Depth 22 meters   51°54.25′N  3°45.52′E Add Depth 16.4 meters, blue tint, and enclosing depth contour (20-meter) centered   51°54.25′N  3°45.62′E (45(348)23 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 22Ed. 03/09/19

Reference information — always verify against official Notices to Mariners before navigation.