UK Maritime Trade Operations said it received a report on Aug. 4 of an incident 9 nautical miles off Mokha, Yemen.

Saudi Arabia's Al Arabiya TV reported Yemen's transport ministry said attacks on commercial vessels constitute condemnable acts of terrorism.

China's National Marine Forecasting Center issued a yellow sea-wave warning. Due to Typhoon No.13 White Dolphin, the eastern East China Sea is expected to see 5–8m waves from the afternoon of Aug 5 to the morning of Aug 6; nearshore waters are at yellow warning level. Vessels operating in the area should take safety precautions and coastal units should implement anti-wave and avoidance measures.