Chart correction N20/23 — chart 37231

37231  19Ed.  11/12/11  LAST  NM  N19/23  N20/23 Delete Depth 6.4 meters   53°43′31″N  8°04′56″E Add Depth 2.5 meters   53°43′29″N  8°04′56″E and extend depth contour (5-meter) NW to enclose (DEU CH 1230)

Source: NGA U.S. Notice to Mariners · edition: 19Ed. 11/12/11

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