Suspicious Activity, Gulf of Aden
Issued: 3 months, 2 weeks ago
Date Reference Region Category Aggressors Source
2025-07-13 21:50:00 CW Alert 017- (Jul 25) Indian Ocean Suspicious activity TBC CLOSED SOURCE
It has been reported that Comoros-flagged oil tanker sighted a suspicious craft whilst underway in the Gulf of Aden, shortly after exiting the Bab El Mandeb (exact position not specified). The suspicious boat was observed approaching the vessel from the port side, it was not detected on radar but was spotted visually. The boat closed to between 400m to 550m and crossed ahead of the vessel’s bow. There were no navigational lights which raised suspicion. According to the report the boat appeared to be unmanned however this could not be confirmed. The Master was alerted of the craft and upon their arrival to the bridge, the craft was no longer visible and could not be re-identified. The vessel and crew are safe and are proceeding on their voyage.
Other alerts for

Indian Ocean


Missile Strikes on Hodeidah Port, Yemen

Open source media have reported that strikes have been carried out by Israeli naval vessels on the Port of Hodeidah, Yemen (exact time not specified). …

UKMTO Advisory - Military targeting in the vicinity of Port Hudaydah

The UKMTO has advised that due to military targeting, vessels should exercise extreme caution in the vicinity of the port of Al Hudaydah, and should …

UKMTO Advisory - Electronic Interference, Strait of Hormuz

UKMTO has received reports from vessels experiencing GPS interference in the Strait of Hormuz area, with disruptions lasting several hours, affecting navigation systems and requiring …

Suspicious activity towards a container vessel, Persian Gulf

The UKMTO have issued a warning on behalf of the JMIC, reporting that a United States-flagged container vessel was approached by two small military craft …

UKMTO Notice - Military Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that Naval ships will conduct live surface and subsurface firing between 1900 UTC 14 May 2025 to 1900 …

UKMTO Advisory - Extreme caution recommended in the vicinity of ports already subjected to strikes, Yemen

The UKMTO recommends vessels exercise extreme caution in the vicinity of ports in Yemen that have been subjected to strikes already, such as Hodeidah, Ras …

UKMTO Advisory - Risk of Collateral Damage off Hodeidah, Yemen

The UKMTO has reported that there has been sustained kinetic activity in the Red Sea area since mid-March 2025, including recently reported strikes against targets …

Suspicious activity towards a vessel, Persian Gulf

It has been reported to the UKMTO, that a small craft collided with a vessel 80NM of the coast of Jebel Ali, UAE. The small …

Attack on a science vessel, Mozambique

Open-source reports state that a Russian-flagged research vessel was attacked by two small crafts whilst operating approximately 3nm East of Tambuzi, Off Cabo Delgado, Mozambique …

Electronic Interference, Red Sea

The UKMTO has received a number of corroborating reports from vessels experiencing GPS interference in the Red Sea, with disruptions lasting several hours, affecting navigation …

Drone Strikes on Port Sudan, Sudan

Open-source media have reported that there has been a series of drone strikes in Port Sudan, targeting the Naval base, main sea port, international airport …

UKMTO Advisory - Risk of Collateral Damage off Hodeidah, Yemen

The UKMTO has reported that there has been sustained kinetic activity in the Red Sea area since mid-March 2025, including recently reported strikes against targets …

Airstrikes on Hodeidah Port, Yemen

Open-source media have reported that the Israeli military carried out airstrikes targeting the Port of Hodeidah, Yemen (exact time not specified). Reports state that the …

UKMTO Notice - Military Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that Naval ships will conduct live surface and subsurface firing between 0300 UTC 02 May 2025 to 1500 …

Maritime Incident at Ras Isa Port, Yemen

The UKMTO has reported that they have received multiple reports of vessels anchored at Ras Isa port, Yemen being refused permission to leave despite having …

UKMTO Notice - Military Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that Naval ships will conduct live firing practice from 1500 to 0300 UTC from the 30th of April …

UKMTO Notice - Military Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that Naval ships will conduct live firing practice from 0300 - 1700 UTC from the 01st - 02nd, …

UKMTO Notice - Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that Naval ships will conduct live surface and subsurface firing between the 24th April 2025 at 03:00 UTC …

Tanker Drifting, Indian Ocean

It has been reported by the UKMTO that there has been a maritime incident onboard a Marshall Islands-flagged tanker approximately 508nm East of Mogadishu, Somalia. …

UKMTO Notice - Live Firing Exercise, Pakistan Coastline

It has been reported by the UKMTO that the Pakistani Navy have notified that Naval ships will conduct live surface and subsurface firing between 0300 …

Airstrike on Arms Smugglers, Somalia

Open-source reports state that U.S. Africa Command (AFRICOM), in coordination with the Federal Government of Somalia, conducted a precision airstrike targeting an unflagged vessel and …