Chart correction N22/23 — chart 37226
37226 19Ed. 03/09/13 LAST NM N19/23 N22/23 Relocate Mooring buoy from 54°01′07″N 8°44′03″E to 54°01′15″N 8°44′47″E Substitute Foul ground symbol [K31.1] for swept depth 12.7 meters Obstn 53°58′37″N 8°23′42″E Substitute Depth 7 meters for depth 13.2 meters 53°50′22″N 8°46′46″E and extend depth contour (10-meter) N to enclose Add Depth 7.4 meters 53°58′43″N 8°23′18″E and extend depth contour (10-meter) N to enclose (18(1220, 1360, 1611)23; DEU CH 1220)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 03/09/13
Reference information — always verify against official Notices to Mariners before navigation.