Maps available at the links below are viewable in PDF format using the free Adobe Reader. These maps have been created to provide boaters and other users with general channel condition maps that are easier to read than the standard hydrographic survey maps. These pages are updated periodically with the latest hydrographic survey data for each project. Dates for each survey are noted on the maps.

NOTE: The condition surveys depicted on these drawings are not intended to replace nautical charts published by National Ocean Service, U.S. Coast Guard aids to navigation, or U.S. Coast Guard Notices to Mariners. The soundings on these drawings only indicate the general condition of the channel on the date of the survey, and are not intended to be used for navigational purposes.

    Harbors:

        - Charleston Harbor Entrance Channel (as of November 2025)

        - Charleston Lower Harbor (as of December 2025)

        - Charleston Upper Harbor (as of February 2026)

        - Shipyard River (as of February 2026)

        - Georgetown Harbor (as of January 2026)

        - Port Royal Harbor (as of August 2025)

        - JBC (as of December 2025)

    Atlantic Intracoastal Waterway (AIWW):

        - Little River to Bucksport (as of January 2026)        

        - Winyah Bay to Charleston (as of October 2025)

        - Charleston to Port Royal (as of August 2025)

    Inlets, Creeks, Rivers:

        - Ashley River (as of March 2025)

       - Calabash Creek (as of January 2026)

        - Folly River - Stono Inlet (as of March 2025) 

        - Jeremy Creek (as of January 2026)

        - Little River Inlet (as of January 2026)

        - Murrells Inlet (as of April 2025)

        - Town Creek Entrance (as of January 2026)

        - Shem Creek (as of August 2025)

        - Brookgreen Garden Canal (as of March 2024)