1506/2026

Geophysical survey and exclusion zones off Dunkerque, Pas de Calais

No longer in forceReceived 18 Sept 2026, 16:32 UTCArchived 06 Oct 2026, 15:03 UTC

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Area: PAS DE CALAIS Locality: LARGE DUNKERQUE HYDROGRAPHIC_SURVEY CAMPAGNE GEOPHYSIQUE DANS LES ZONES INDIQUEES PECHE AUX ARTS DORMANTS,MOUILLAGE DES NAVIRES, ENGINS ET AUTRES EMBARCATIONS, PLONGEE SOUS-MARINE SONT INTERDITS PENDANT LES OPERATIONS. LE STATIONNEMENT ET TOUTES ACTIVITE NAUTIQUE SONT INTERDITS DANS UN RAYON DE 300 METRES AUTOUR DES NAVIRES MENANT CES OPERATIONS. zone Poste en mer délimitée par : 1 51-09.46N 002-19.97E 2 51-10.34N 002-21.35E 3 51-08.97N 002-23.57E 4 51-08.08N 002-22.18E zone Corridor câbles délimitée par : 5 51-02.40N 002-14.50E 6 51-02.81N 002-14.69E 7 51-03.50N 002-15.30E 8 51-04.19N 002-15.59E 9 51-04.15N 002-15.84E 10 51-04.93N 002-16.16E 11 51-05.90N 002-16.26E 12 51-05.92N 002-15.83E 13 51-06.73N 002-16.00E 14 51-06.78N 002-17.01E 15 51-07.89N 002-19.52E 16 51-08.06N 002-19.52E 17 51-08.25N 002-19.88E 18 51-08.37N 002-19.97E 19 51-09.57N 002-22.00E 20 51-09.38N 002-22.29E 21 51-09.18N 002-22.39E 22 51-08.31N 002-20.88E 23 51-08.23N 002-20.89E 24 51-07.98N 002-20.44E 25 51-07.67N 002-20.20E 26 51-06.21N 002-16.99E 27 51-04.87N 002-16.84E 28 51-03.41N 002-16.25E 29 51-03.40N 002-16.58E 30 51-02.71N 002-15.97E ARRETE DE LA PREFECTURE MARITIME MANCHE ET MER DU NORD N°91/2026 DU 18 SEPTEMBRE 2026 L'intégralité de l'arrêté préfectoral est disponible sur le site Internet de la préfecture maritime.

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Analysis

No longer in force

A geophysical/hydrographic survey campaign is taking place in the Large Dunkerque area (Pas de Calais). Fishing with static gear, mooring of vessels and other craft, and scuba diving are prohibited during operations. All vessels must not stop and all nautical activity is forbidden within 300 metres around vessels conducting these operations. The restriction is established by Prefectural Order No. 91/2026 dated 18 September 2026.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Large Dunkerque, Pas de Calais
Hazards: geophysical/hydrographic survey, exclusion zone, prohibited fishing (static gear), mooring prohibited, diving prohibited

Worked out automatically from the warning text on 29 Sept 2026, 21:17 UTC. It can be wrong: the official warning text is the authority.

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Action for mariners
Keep-clear distance
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