Chart correction N21/21 — chart 37120

37120 4Ed. 9/19/15 LAST NM N20/21 N21/21 Delete Depth 15.2 meters 51°21.4′N 2°30.1′E Depth 28 meters 51°21.9′N 2°36.8′E Depth 10.7 meters 51°20.5′N 2°46.9′E Substitute Depth 7.7 meters for 9.1 meters 51°20.8′N 2°42.2′E Depth 13.1 meters for 13.6 meters 51°21.5′N 2°31.7′E Depth 7.6 meters for 8.3 meters 51°20.0′N 2°46.0′E Add Depth 8.8 meters Obstn (unsurveyed) [K3] 51°10.9′N 2°21.4′E Depth 14.6 meters 51°21.4′N 2°30.4′E Danger circle “Obstn” [K40] 51°06.9′N 2°24.1′E Legend “(2 buoys)” to buoy “Wk4” 51°10.8′N 2°39.8′E Depth 19.7 meters, blue tint, and enclosing depth contour (20-meter) centered 51°20.1′N 2°44.2′E Depth 9.7 meters 51°20.4′N 2°46.6′E and extend depth contour (10-meter) NE to enclose Depth 10.3 meters 51°20.4′N 2°46.0′E Depth 11.9 meters 51°17.6′N 2°22.9′E Depth 27.5 meters 51°21.9′N 2°36.2′E (7(90)18, 25(303)19, 2(81), 3(109), 8(154), 16(257)20 Oostende; 44(33)20 Brest; BEL CH 102)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 9/19/15

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