Surveys

The captain of the port of new orleans reopened the lower mississippi river

NAVAREA IV 311/05

issued
2005-09-26 15:44Z
status
cancelled 2005-10-03 12:33Z (archive)
cancels
NAVAREA IV 309/05
authority
USCG WEBSITE.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. THE CAPTAIN OF THE PORT OF NEW ORLEANS REOPENED
   THE LOWER MISSISSIPPI RIVER. THE LOWER MISSISSIPPI
   RIVER WAS CLOSED FOR HURRICANE RITA. DUE TO THE
   LACK OF PROPER AIDS TO NAVIGATION (ATON) SOUTH OF
   MILE MARKER 0, THE CAPTAIN OF THE PORT, UNDER THE
   AUTHORITY OF THE PORT AND WATERWAYS SAFETY ACT,
   HAS ESTABLISHED A SAFETY ZONE ON THE LOWER
   MISSISSIPPI RIVER FROM THE SOUTHWEST PASS SEA BUOY
   TO MILE MARKER 0. THIS SAFETY ZONE RESTRICTS ALL
   DEEP DRAFT VESSELS TO DAYLIGHT TRANSITS ONLY. ALL
   MARINERS ARE ADVISED TO TRANSIT AT THEIR SLOWEST
   SAFE SPEED IN THE VICINITY OF ANY SALVAGE OPERATIONS.
   THE PORT ALLEN ROUTE, BAPTISTE COLLETTE, AND RED
   RIVER ARE OPEN. THE GULF INTRACOASTAL WATERWAY
   IS OPEN FROM MILE MARKER 20 EASTWARD.
2. CANCEL NAVAREA IV 309/05.

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.