Chart correction N18/21 — chart 37222

37222 15Ed. 5/12/18 LAST NM N16/21 N18/21 Delete Buoy and legend “Tide gauge” 53°32.39′N 6°55.37′E Buoy and legend “2 Current meters” 53°37.16′N 6°55.95′E Change Buoy to Y, spherical, Fl(5) Y 20s with legend “ODAS” [Q58] 53°37.02′N 6°48.43′E and delete legend “Current meter” Add Buoy Y, spherical, Fl(5) Y 20s with legend “ODAS” [Q58] 53°32.61′N 6°55.31′E Buoy Y, spherical, “X” topmark, Fl(5) Y 20s with legend “ODAS” [Q58] 53°37.07′N 6°55.99′E (12(1160)21 Hamburg)

Source: NGA U.S. Notice to Mariners · edition: 15Ed. 5/12/18

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