Chart correction N31/23 — chart 37222

37222  15Ed.  05/12/18  LAST  NM  N23/23  N31/23 Delete Depth 12.1 meters   53°36.62′N  6°32.89′E (See N36/22) Substitute Depth 1.3 meters for depth 2.3 meters  53°32.62′N  6°26.35′E (See N40/22) Add Depth 8 meters   53°36.62′N  6°32.72′E and extend blue tint and depth contour (10-meter) NE to enclose (22(1110)23 Hamburg; 27(208)23 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 15Ed. 05/12/18

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