Calcasieu Lock Closure – Gulf Intracoastal Waterway (GIWW)

Mariners are advised that Calcasieu Lock will be closed to navigation from March 2 through March 5, 2024, from 6:00 a.m. until 6:00 p.m., each day to make emergency repairs to the lockwall due to an allision.

The scheduled closures on March 6 and 7, 2024 have been cancelled.

For any questions, the Lockmaster can be reached at (337) 477-1482. 

This notice will be posted on the Coast Guard’s HOMEPORT website at and the VTS website at If you have any questions regarding this notice, please call MSU Port Arthur at (409) 723-6500 or MSU Lake Charles at (337) 912-0073.