Houston Ship Channel pilots have suspended boarding of both inbound and outbound vessels due to poor visibility caused by fog, as per Platts. Not many inbound and outbound vessels have so far been affected by the suspension. Houston ship pilots help vessels navigate the 52 mile Houston Ship Channel. The channel provides access from the Gulf of Mexico through Galveston Bay to various ports in Houston and other cities in the area that house a large number of industrial facilities, including refineries and petrochemical plants. The Houston Ship Channel serves five refineries in the Houston area and three in Texas City with a combined refining capacity of 2.23 million bpd.