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
- Lower mississippi river is closed from mile marker 304 to the southwest pass sea buoycancels · 2005-09-25
- Lower mississippi river is closed from mile marker 304 to the southwest pass sea buoyreplaced · 2005-09-25
- Cancel NAVAREA IV 311/05 and this msgcancelled by · 2005-10-03
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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.