Chart correction N15/23 — chart 37248
37248 21Ed. 09/25/21 LAST NM N11/23 N15/23 Delete Depth 4.6 meters 51°25′35″N 3°20′53″E Depth 4.1 meters 51°25′17″N 3°20′33″E Depth 4.5 meters 51°25′09″N 3°22′07″E Depth 6 meters 51°25′11″N 3°22′38″E Substitute Depth 7.9 meters for depth 8.4 meters 51°27′27″N 3°31′13″E Add Depth 2.9 meters 51°25′09″N 3°21′56″E Depth 4.8 meters 51°25′10″N 3°22′47″E and extend depth contour (5-meter) E to enclose Depth 4 meters 51°31′53″N 3°24′41″E and extend depth contour (5-meter) E to enclose (Plan A) Relocate Buoy "Z2" from 51°21′16.8″N 3°12′28.2″E to 51°21′16.2″N 3°12′25.8″E (42(291), 48(341)22 Den Haag; 23(252)22, 4(92)23 Oostende; UKHO ARCS 116-0)
Source: NGA U.S. Notice to Mariners · edition: 21Ed. 09/25/21
Reference information — always verify against official Notices to Mariners before navigation.