Chart correction N21/20 — chart 37244

37244 13Ed. 9/28/13 LAST NM N16/20 N21/20 Substitute Depth 19.9 meters for 20.2 meters 51°34.6′N 2°49.5′E and extend depth contour (20-meter) and blue tint SW to enclose Add Buoy “MW 1-SNW 4” BYB, pillar, double cone topmark bases together, VQ(3) W 5s [Q130.3] 51°50.1′N 3°03.5′E (21(272)16 Oostende; 31(246)17 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 13Ed. 9/28/13

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