MSIB Vol XXI Issue 029 Safety Advisory MM 219 to 240 30' and Falling

united states coast guard


MM 219 to MM 240 AHP LMR (30' and falling)


As a result of the Baton Rouge gauge reading 30· and predicted to fall. the Captain of the Port of New Orleans has

issued a safety advisory for all waters of the Lower Mississippi River (LMR) from Mile 219 Above Head of Passes

(AHP), to Mile 240 AHP. This safety advisory is effective at sunrise on Sunday. May 2, 2021. The following are

recommendations for the advisory:


Port Allen Lock LMR MM 219-229:


1. All tows greater than 600' (excluding the towboat) are recommended to employ an assist vessel of at least 1200

hp when entering and exiting the Port Allen Lock.

2. All other Canal Tows exiting the Port Allen Lock intending to directly head northbound are recommended to use

an assist vessel. All other tows should proceed southbound and then top around at or below MM 221 prior to

heading north.

3. Companies should staff vessels with their most experienced crews.

4. Towing vessels are recommended to catch a headline when entering the Port Allen Lock.

5. Vessels will be put on queue for lock turn when their tow is built and may remain in the area in which their tow

was built until it is time for lock tum.


Wilkinson Point LMR MM 232-240:


1. All high water safety advisories have been removed.


This Marine Safety Information Bulletin supersedes Volume XXI. Issue 026 High Water Safety Advisory: Baton

Rouge 35' and Falling - MM 221 to MM 240 AHP LMR.


For further information, contact:

Coast Guard Sector New Orleans Command Center: (504) 365-2200

Coast Guard Sector New Orleans Watenvays Management: (504) 365-2280

Coast Guard MSU Baton Rouge Watenvays Management: (225) 298-5400 x230

Vessel Traffic Service Lower Mississippi River: (504) 365-2230, VHF FM Ch. 0SA, 12, 67