Navigation Notices: Lower Mississippi River
Morgan City-Port Allen Alternate Route
Mariners are advised that beginning on 1 June 2026 and continuing through approximately 17 June 2026, there will be intermittent closures to navigation (up to 6 hours) at Port Allen…
Read MoreDredging Operations Mississippi River Deep Draft Crossings
Notice Number: 214033 / MVN 26-48 Effective: 05/25/2026 00:00 thru UNTIL FURTHER NOTICE CDT Beginning on approximately 25 May 2026 and continuing until further notice, the U.S. Government Contract Dustpan…
Read MoreSPECIAL NOTICE – HURRICANE SEASON
Notice Number: 213888/26-45 Date: 06/01/2026 00:00 thru 11/30/2026 23:45 CDT Mariners are advised that the Hurricane Season extends from 1 June 2026 to 30 November 2026. Locks and Navigation Structures…
Read MoreBay St. Louis, MS Paddle the Bay – Pass Christian, MS
Notice Number: 213877/26-59 Date: 05/13/2026 08:00 thru 05/13/2026 15:00 CDT Notice is given to mariners there Paddle the Bay is scheduled from 8 a.m. to 1 p.m. on June 13,…
Read MoreDREDGING OPERATIONS Mississippi River and Southwest Pass
Notice Number: 213875/26-44 Date: 05/13/2026 00:00 thru 06/01/2026 23:45 CDT Beginning on or about 13 May 2026 and continuing through approximately 1 June 2026, the U.S. Government Hopper Dredge WHEELER…
Read MoreLock 2 Closure Overton Lock and Dam 10 Day Closure 11 May 2026 – 20 May 2026
Notice Number: 213828 Date: 05/11/2026 06:00 thru 05/20/2026 18:00 CDT 1. A 10-day closure is scheduled beginning 11 May 2026 to complete this activity. Navigation will be closed for the…
Read MoreDredging Operations Mississippi River and Southwest Pass
Notice Number: 213654 / MVN 26-39 Effective: 05/02/2026 00:00 thru 07/31/2026 23:45 CDT Beginning on or about 2 May 2026 and continuing through approximately 31 July 2026, the U.S. Government…
Read MoreNavigation Bulletin No. 26-36 Mississippi River – Vicinity of Southwest Pass, Pass a Loutre & South Pass (Update)
Please see the attached file for your information. Additionally, the bulletin’s contents are shown below. MR-SWP_PASS A LOUTRE_SPASS_26-36 UPDATE_DREDGING OPERATIONS NAVIGATION BULLETIN NO. 26-36, 21 APRIL 2026, MISSISSIPPI RIVER -…
Read MoreEquipment Testing Old River Lock
Notice Number: 213610 / MVN 26-35 Effective: 04/27/2026 06:30 thru 05/01/2026 18:30 CDT Commencing on 27 April 2026 and continuing through 1 May 2026, mariners will be subject to delays…
Read MoreDredging Operations Mississippi River and Southwest Pass
Notice Number: 213573 / MVN 26-33 Effective: 04/18/2026 00:00 thru 04/30/2026 23:45 CDT Beginning on or about 18 April 2026 and continuing through approximately 30 April 2026, the U.S. Government…
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