Marine Safety Information Bulletin
PORT CONDITION YANKEE
At 1600 EST on August 2, 2020 Coast Guard Captain of the Port (COTP) Charleston, South Carolina set Port Condition YANKEE for coastal South Carolina. Threatening winds (34 kts/39 mph) from Hurricane Isaias are possible along the coast of South Carolina within 24 hours.
Port Status: Coastal South Carolina ports are open to outbound vessel traffic only. Commercial inbound vessels are restricted from entering the port, and are advised to seek an alternate destination unless expressly authorized by the COTP Charleston or a designated representative.
All oceangoing commercial vessels and oceangoing barges greater than 500 gross tons currently in port should make preparations to get underway at this time. Vessels authorized by the COTP to remain in port shall, in accordance with their safe mooring plan, take appropriate precautionary measures to secure their vessels.
Facilities shall follow their approved heavy weather plan and take all necessary precautions to adequately prepare for the forecasted conditions. Appropriate container stacking protocols must be finalized.
Pleasure craft are advised to seek safe harbor. Commercial vessel operators authorized by COTP to remain inside Sector Charleston’s Harbor’s, and recreational boat owners, should ensure their vessels are secure at berth and will not pose a hazard to surrounding vessels or the environment. Mariners are reminded that drawbridges may not operate when sustained wind speeds reach 25 mph or when an evacuation is in progress.
Port Condition ZULU will be set within 12 hours of expected tropical storm force winds. Future Port Conditions are set contingent upon the storm’s course and speed. Should the storm increase in forward speed, Condition ZULU may be set sooner.
For Heavy Weather Advisory Group (HWAG) or Waterway specific questions please contact (843) 323-7761.
For Facility and Vessel specific questions contact (843) 740-3186 or (843) 302-1009.
For Coast Guard related emergencies please contact Sector Charleston Command Center at (843) 740-7050.
This MSIB can be viewed at https://homeport.uscg.mil/port-directory/charleston.