Chart correction N28/23 — chart 37248
37248 21Ed. 09/25/21 LAST NM N24/23 N28/23 Delete Depth 5.4 meters 51°25′49″N 3°03′58″E Substitute Depth 16.9 meters for depth 18.6 meters 51°29′20″N 2°57′07″E Add Depth 4.4 meters enclosed by depth contour (5-meter) centered 51°26′04″N 3°07′16″E Depth 4.9 meters enclosed by depth contour (5-meter) centered 51°25′53″N 3°04′00″E (9(128, 129)23 Oostende)
Source: NGA U.S. Notice to Mariners · edition: 21Ed. 09/25/21
Reference information — always verify against official Notices to Mariners before navigation.