Notice to Navigators: Gulf and Intracoastal Waterways

NOTICE TO MARINERS
GULF AND INTRACOASTAL WATERWAYS

LNM 08-22

 

SECTION VII – GENERAL

This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.

 

FL - APALACHICOLA RIVER - Channel Condition

Multiple aids to navigation in the Apalachicola River entrance area are off station and unreliable due to dredging operations. Channel maintenance is expected to continue for the next 3 weeks. Mariners are urged to transit this area with caution.

 

LA - GULF OF MEXICO - Survey Operations

Continuing until May 31, 2022, survey operations are being conducted in the Gulf of Mexico. M/V OLYMPIC ARTEMIS is operating with two submersibles. M/V SANCO SWORD and M/V VICTORY G., are towing 150 meter long cables. Survey operations are bound by the following approximate positions:

  • 28-10-03.0N 089-25-22.0W,
  • 27-55-16.0N 089-07-45.0W,
  • 28-08-50.0N 088-51-40.0W and
  • 28-21-22.0N 089-10-12.0W.

Mariners are urged to give a wide berth to the vessels and transit this area with caution.

 

TX - SABINE NECHES WATERWAY - TAYLORS BAYOU - Dredge Operation

Continuing until approximately May 31, 2022, Dredge HERIBERTO CORDOVA is dredging in the vicinity of Taylors Bayou, Port Arthur, Texas, starting at approximate position 29-49-30.70N 093-57-42.14W and ending at approximate position 29-50-29.90N 09- 58-06.04W. Operations are being conducted 24-hours a day, 7-days a week. Dredge material will be place at area 9A. The dredge will have approximately 20,000 feet of combined steel and floating pipeline. The dredge will be accompanied by 2 Anchor Barges, 3 Tender Boats, Supply Barge and a Fuel Barge. Dredge HERIBERTO CORDOVA will monitor VHF-FM Channels 13 and 79 or at (361) 487-6472. Mariners are urged to use caution when transiting the area.

 

TX - CORPUS CHRISTI CHANNEL - Channel Condition

Work continues to resolve the unknown anomaly on the floor of the Corpus Christi Channel between Corpus Christi Channel Light 19 (LLNR-28610), Corpus Christi Channel Light 20 (LLNR-28615) and Corpus Christi Channel Light 25 (LLNR-28630), Corpus Christi Channel Light 26 (LLNR-28635), near position 27-49-30.2N 097-09-36.0W. Based on update surveys from the USACE, the vessel draft restriction is amended to a maximum of 43 feet while transiting the portion of the Corpus Christi Channel between Corpus Christi Channel Light 19 (LLNR-28610), Corpus Christi Channel Light 20 (LLNR-28615) and Corpus Christi Channel Light 25 (LLNR-28630), Corpus Christi Channel Light 26 (LLNR-28635). For detailed channel information and minimum depths as reported by USACE, mariners should use NOAA electronic navigation charts, USACE surveys and channel condition reports that are available at: https://navigation.usace.army.mil/survey/hydro. Mariners are urged to use caution when transiting the area. Survey vessels and equipment may be present in the area. Mariners are advised that the Aransas Corpus Christi Pilots will restrict vessels transiting Corpus Christi Cut A, with a draft of 40 feet or more, to one way traffic. The one way restriction will be reviewed and modified by the Aransas Corpus Christi Pilots as anticipated dredging addresses the shoaling of the toes and outside quarters of the channel in Corpus Christi Cut A. The current maximum draft due to the shoaling at Corpus Christi Channel Light 25 (LLNR-28630) and Corpus Christi Channel Light 26 (LLNR-28635), has been revised to 43 feet. Concerned parties can contact the U.S. Coast Guard Sector/Air Station Corpus Christi Command Center, at (361) 939- 0450 or for non-urgent questions and concerns, email ccwaterways@uscg.mil.