VTS Lower Mississippi River: 5 Day Outlook Friday, September 9, 2023

united states coast guard

Summary of planned LMR restrictions, by date:

Once dates are confirmed, this table will be updated.















  • LA - MISSISSIPPI RIVER, MILE 10-12, AHP – Pipeline Removal Operations

From August 26 to approximately October 23, 2023, Gulf South and Broussard Brothers will be working at MM11, AHP to remove submerged pipelines. In-river operations to include the use of divers, multiple vessels – including anchored barges – will be working 24 hours per day and will impact the navigation channel.


Vessels shall check in with the Contact Pilot onboard the BB-70 on VHF-FM Channel 67 at the following locations for the latest navigation information and direction:

  • Transiting Southbound: MM 22 AHP (Bolivar Point)
  • Transiting Northbound: MM 2 AHP (Pilottown)

Boothville Anchorage south of MM 14 is closed for the duration of this operation.

For more information, please refer to MSIB Vol XXIII Issue 052 VTS Safety Measure – Pipeline Removal Operations MM 11 AHP LMR (Update 1).


  • LA - MISSISSIPPI RIVER, MILE 0-2, AHP – HDDA Dredging Operations

In late September/early October 2023, Weeks Marine will be installing a temporary submerged discharge line, which will cross the channel, for Hopper Dredge Disposal Area (HDDA) dredging operations. The exact dates will be promulgated, once known.


During this operation, mariners should expect two 12-hour periods of one-way traffic and two 12-hour periods of channel closure in the area.


For more information, please refer to MSIB Vol XXIII Issue 054 Waterway Status – Temporary Closure MM 0 – MM 2 AHP.


Advance Notice:

Tentatively starting in December 2023, the U.S. Army Corps of Engineers’ Mat Sinking Unit (MSU) will begin revetment operations on the Lower Mississippi River. Once the schedule is confirmed, the dates will be promulgated by the U.S. Coast Guard via Broadcast Notice to Mariners (BNM), Marine Safety Information Bulletin (MSIB), and/or industry-wide email.