3737/2026

Diving and underwater archaeological operations in approaches to Gulf of Fos

Activeuntil 08 Nov 2026, 18:00 UTC (in 7 days)Received 27 Oct 2026, 13:21 UTC

Warning text

Lang

Area: PROVENCE Locality: ABORDS GOLFE DE FOS Valid from 26 Oct 2026 07:00 UTC to 08 Nov 2026 18:00 UTC DIVING_OPERATIONS UNDERWATER_OPERATIONS INTERVENTION BY ARCHAEOLOGISTS, SURFACE SUPPORT VESSEL ALFRED MERLIN IN THE AREA DELIMITED BY: 43-21.03N 004-52.99E 43-21.03N 004-53.53E 43-20.45N 004-53.53E 43-20.45N 004-52.99E (CHART FR6684) DEPLOYMENT OF EQUIPMENT FOR HUMAN SCIENTIFIC DIVING AN AVOIDANCE RADIUS OF 0,2 NM AROUND THE VESSEL IS REQUESTED.

Analysis

Activeuntil 08 Nov 2026, 18:00 UTC (in 7 days)

A newer Survey operations is available:3751/2026

Archaeological underwater and diving operations are taking place in the approaches to the Golfe de Fos. Surface support vessel ALFRED MERLIN is operating inside a rectangular area defined by four positions (see positions_read). Deployment of equipment for human scientific diving is in progress. Vessels are requested to keep 0.2 NM clear of the support vessel.

Keep clear of the support vessel and deployed equipment; maintain a 0.2 NM avoidance distance and navigate with caution in the area.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Gulfe of Fos approaches (Abords Golfe de Fos), Provence
Validity: From 26 Oct 2026, 07:00 UTC
Until 08 Nov 2026, 18:00 UTCValid from 26 Oct 2026 07:00 UTC to 08 Nov 2026 18:00 UTC
Activity periods: 26 Oct 2026, 07:00 UTC - 08 Nov 2026, 18:00 UTC (DIVING_OPERATIONS / UNDERWATER_OPERATIONS by archaeologists, surface support vessel ALFRED MERLIN)
Hazards: diving operations, underwater operations, scientific diving, deployed underwater equipment
Keep clear: 0.2 NMAN AVOIDANCE RADIUS OF 0,2 NM AROUND THE VESSEL IS REQUESTED.
Charts: FR6684

Vessels involved

ALFRED MERLIN · surface support vessel
On AISFranceDredging or underwater opsMoored43-23.10N 004-48.39E0 knseen 2 min agoShow on the map

Coast stations for this area

RCCMRCC BarcelonaSpain172 NM from the area
RCCMRSC GenovaItaly187 NM from the area
RCCMRSC TarragonaSpain211 NM from the area
DSCDSC Station PlanierMRCC La GardeFranceMMSI 002275400VHF 21range 21 NM18 NM from the area
DSCDSC Station EspiguettenMRCC La GardeFranceMMSI 002275400VHF 15range 15 NM34 NM from the area
DSCDSC Station La GardeMRCC La GardeFranceMMSI 002275400VHF 23, MF 200range 200 NM51 NM from the area
DSCDSC Station CoudonMRCC La GardeFranceMMSI 002275400VHF 60range 60 NM57 NM from the area
DSCDSC Station AgdeMRCC La GardeFranceMMSI 002275400VHF 31, MF 200range 200 NM61 NM from the area

Recurring series: Survey operations

Newer reports

Earlier reports

3710/2026(archived)

Worked out automatically from the warning text on 28 Oct 2026, 23:27 UTC. It can be wrong: the official warning text is the authority.

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