Chart correction N34/20 — chart 37226
37226 19Ed. 3/9/13 LAST NM N33/20 N34/20 Delete Depth 9.7 meters and enclosing depth contour (10-meter) in vicinity 53°59′29″N 8°24′09″E (See N26/20) Add Fishing prohibited area [N21.1] bound by purple composite line joining 53°52′18″N 8°54′13″E 53°52′13″N 8°54′22″E 53°51′23″N 8°52′44″E 53°51′31″N 8°52′34″E Depth 8 meters enclosed by depth contour (10-meter) centered 53°59′28″N 8°24′07″E (34(1610)19, 26(44)20 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 3/9/13
Reference information — always verify against official Notices to Mariners before navigation.