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The Facts

Overwatch

Clearwater’s Overwatch Intelligence Directory is designed to provide clients with simple access to our archive of maritime security incident intelligence, dating back to 2017. Qualitative analysis can be conducted quickly and easily via the intuitive dashboard interface, providing users with key insights to inform critical operational decision-making in high-risk areas (HRA's)

The dashboard seen below provides interactive access to a 'lite' version of the Overwatch front page for free. Data is available from 2017 to 2020. Full access includes the latest data, additional pages and metrics specific to either geographical region or type of incident. To subscribe to the full dashboard, or for further information, please contact us using the subscribe button below

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Factual updates from our unique global intelligence network

U.S. Blockade on Ships Entering or Exiting Iranian Ports
Issued: 1 day ago
Date Reference Region Category Aggressors Source
2026-04-13 14:00:00 CW Alert 006- (Apr 26) Indian Ocean Advisory Military Open source/UKMTO
Open-source have reported that U.S. Central Command forces will implement a blockade of all maritime traffic entering and exiting Iranian ports, effective 13 April 2026 at 1400 UTC. The blockade will be enforced impartially against vessels of all nations entering or departing Iranian ports and coastal areas, including all Iranian ports on the Arabian Gulf and Gulf of Oman. CENTCOM forces have stated they will not impede freedom of navigation for vessels transiting the Strait of Hormuz to and from non-Iranian ports. All mariners are advised to monitor Notice to Mariners broadcasts and contact U.S. naval forces on bridge-to-bridge channel 16 when operating in the Gulf of Oman and Strait of Hormuz approaches. UPDATE: The UKMTO have confirmed that neutral vessels currently within Iranian ports have been granted a limited grace period to depart.

Suspicious approach on a vessel, Gulf of Aden

The Master of a vessel has reported to the UKMTO that they were approached whilst underway approximately 100nm East of Aden, Yemen (exact position not …

Attempted Robbery on a Tanker, Mozambique

It has been reported that there has been an attempted robbery onboard a tanker whilst anchored at Beira anchorage, Mozambique. Duty crew sighted eight perpetrators …

Attempted robbery on a tanker, Liberia

It has been reported that an attempted robbery has taken place on a Singapore-flagged product tanker in Monrovia Anchorage, Liberia. The crew reported seeing one …