The shoaling report below is extracted from the USCG’s “Local Notice to Mariners.” A study of chart 11441 reveals that the shoaling in question is apparently located near the northwestern tip of Northwest Channel, between markers #3 and #4.
LNTM notices of this type are always subject to interpretation. If any of you have cruised through Northwest Channel lately, particularly on that portion of the passage between markers #3 and #4, please share the soundings you observed by clicking the “Comment on This Posting/Marina/Anchorage/Bridge” link below.
FL- Keys Key West NW Channel Shoaling has been reported between Key West NW Channel LB 3 (LLNR 15185) and LB 5 11441 0611
(LLNR 15195), USACOE survey shows channel is below project depth