A maritime incident has been reported in the Gulf of Oman in the vicinity of 24-23N 058-33E on February 25, 2021 (GMT). The nature of the incident is reported to be an explosion near the waterline of a commercial vessel. Exercise caution when transiting this area. U.S. commercial vessels operating in this area should review U.S. Maritime Advisory 2021-001 (Persian Gulf, Strait of Hormuz, Gulf of Oman, Arabian Sea, Red Sea, Gulf of Aden, and Indian Ocean - Threats to Commercial Vessels by Iran and its Proxies) for amplifying information and points of contact and report small boat activity in the vicinity of their vessel to the U.S. Fifth Fleet Battle Watch. This Alert will automatically expire on March 5, 2021. Any maritime industry questions regarding this alert should be directed to GMCC@uscg.mil.