France - AVURNAV LOCAL CHERBOURG

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1469/2026Survey operations
Scientific survey in approaches to Gravelines, Pas de Calais (1 Sep - 15 Nov 2026)
Activeuntil 15 Nov 2026, 23:59 UTC (in 23 h)

Briefing for all regions →

1513/2026
Concrete block found on seabed near Antifer
ActiveWreck / obstruction
21 Sept 2026, 15:45 UTCShow on map
Lang
Area: ANTIFER block of concrete on ground at position : 49-21.73N 000-23.21W 49-21.74N 000-23.19W 49-21.73N 000-23.21W 49-21.73N 000-23.19W 49-21.73N 000-23.20W 49-19.22N 000-21.06W 49-20.66N 000-18.78W
1510/2026
North cardinal buoy now present off Graveline groyne, Dunkerque west
ActiveAids to navigation
21 Sept 2026, 12:01 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: DUNKERQUE WEST BUOY_CHANGE Presence of a north cardinal buoy off Graveline groyne. Position: 51-01.02N 002-05.58E
1500/2026SÉCURITÉ
Temporary prohibited zone around Antifer (approaches to Cherbourg)
Activeuntil 09 Sept 2027, 12:00 UTC (in 298 days)Restricted area
15 Sept 2026, 15:28 UTCShow on map
Lang
Area: ANTIFER Locality: APPROACHES TO CHERBOURG EXCLUSION_ZONES REGULATION In accordance with decree PREMAR MANCHE N° 90/2026, a regulated maritime zone is established within a radius of 300 m around position: 49-39.49N 001-38.69W. Navigation, stopping, and anchoring of registered vessels and craft, and any other nautical activities, are prohibited from Wednesday 09 September 2026 to Friday 09 September 2027 from 08h00 to 12h00 (local time). This prohibition does not apply to: - vessels and craft tasked by the naval base with monitoring operations; - State vessels tasked with policing the water area; - State vessels on rescue missions; - vessels in distress and vessels rendering prompt assistance.
1499/2026
Submerged fishing net off Port-en-Bessin (Antifer)
ActiveNavigational hazard
14 Sept 2026, 06:06 UTCShow on map
Lang
Area: ANTIFER Locality: ABORDS DE PORT-EN-BESSIN SUBMERGED_FISH_NET A red and white balloon signals the hazard. No fishing, trawling, dredging, anchoring and diving within this area
1495/2026
Navigation level reset to +1.50 m at Port du Tréport (Antifer)
ActivePort / channel notice
11 Sept 2026, 16:22 UTCShow on map
Lang
Area: ANTIFER Locality: PORT DU TREPORT HAZARDOUS AREA The port authority has decided to reset the navigation level to +1.50m. 50-03.82N 001-22.24E Navigate with caution
1485/2026
Submerged object reported in Baie de Seine near Antifer
ActiveWreck / obstruction
09 Sept 2026, 11:24 UTCShow on map
Lang
Area: ANTIFER Locality: BAIE DE SEINE SUBMERGED_OBJECT Immerged hazard at position : 49-30.94N 000-52.38W No fishing, trawling, dredging, anchoring and diving in the vicinity.
1483/2026
Reduced light range at Cap Gris-Nez lighthouse from 11 Sep 2026
ActiveAids to navigation
09 Sept 2026, 09:39 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: CAP GRIS-NEZ LIGHT_RANGE_REDUCED Work starting the 11st SEP 2026 on Gris Nez lighthouse. Position :50-52.09N 001-34.96E Navigate with caution
1481/2026SÉCURITÉ
Light unlit at Le Havre (Antifer)
ActiveAids to navigation
08 Sept 2026, 06:35 UTCShow on map
Lang
Area: ANTIFER Locality: PORT DU HAVRE LIGHT_UNLIT light unlit at position : 49°27,913'N - 000°06,335'E Navigate with caution
1476/2026
Submerged scientific triangular cage marked by float off Antifer, Baie de Somme
ActiveWreck / obstruction
02 Sept 2026, 14:31 UTCShow on map
Lang
Area: ANTIFER Locality: BAIE DE SOMME SCIENTIFIC BUOY APPARATUS Triangular cage resting on the seabed, marked on the surface by a white marker float labeled "OBSTACLE" with a white reflective strip at 30m Position: 50-11.55N 001-37.09E Fishing, trawling, dredging, anchoring and diving prohibited in this area
1469/2026
Scientific survey in approaches to Gravelines, Pas de Calais (1 Sep - 15 Nov 2026)
Activeuntil 15 Nov 2026, 23:59 UTC (in 23 h)Survey operations
31 Aug 2026, 16:00 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: APPROACHES TO GRAVELINES SCIENTIFIC SURVEY Scientific survey from 1 September to 15 November 2026 by vessels "GEOSURVEYOR I", "GEOSURVEYOR VI", "GEOSURVEYOR VIII", "GEOSURVEYOR XII", "GEOSURVEYOR IX" in the following area: 51-01.34N 002-06.78E 51-00.83N 002-07.35E 51-01.35N 002-08.66E 51-01.58N 002-08.56E 51-01.74N 002-08.91E 51-02.07N 002-08.90E Navigate with caution
1461/2026
Submerged fishing dredge off Baie de Somme (Antifer)
ActiveWreck / obstruction
27 Aug 2026, 08:00 UTCShow on map
Lang
Area: ANTIFER Locality: OFF BAIE DE SOMME Presence of a submerged fishing dredge in position: 50-22.05N 001-09.23E Do not fish, trawl, dredge, anchor or dive in this area
1460/2026
Submerged mast reported off Antifer near Cayeux-sur-Mer
ActiveWreck / obstruction
27 Aug 2026, 07:40 UTCShow on map
Lang
Area: ANTIFER Locality: ANTIFER - LARGE CAYEUX-SUR-MER SUBMERGED_OBJECT A SAILING VESSEL LOST ITS MAST AT THE FOLLOWING POSITION: 50-09.999N 001-27.410E NAVIGATE WITH CAUTION
1459/2026
Submerged fishing panel in Baie de Seine (Antifer)
ActiveWreck / obstruction
27 Aug 2026, 07:20 UTCShow on map
Lang
Area: ANTIFER Locality: BAIE DE SEINE SUBMERGED_OBJECT Presence of a submerged fishing panel at position: 49-32.15N 000-32.15W Do not fish, trawl, dredge, or anchor in this area.
1448/2026
IFREMER scientific survey off Courseulles-sur-Mer starting 3 Sep 2026
ActiveSurvey operations
21 Aug 2026, 09:19 UTCShow on map
Lang
Area: ANTIFER Locality: OFF COURSEULLES SUR MER SCIENTIFIC SURVEY IFREMER SCIENTIFIC OPERATION FROM 03 SEPTEMBER 2026. AUTHORIZED BY PREFECTURAL DECISION 47/2026 Line joining: impacted point 49-27.67N 000-25.32W, intermediate point 49-27.36N 000-20.19W, non-impacted point 49-26.52N 000-15.06W. Navigate with caution
1430/2026SÉCURITÉ
Rear leading light unlit at Port du Havre (Antifer)
ActiveAids to navigation
13 Aug 2026, 12:10 UTCShow on map
Lang
Area: ANTIFER Locality: PORT DU HAVRE LIGHT_UNLIT REAR LIGHT of leading line 335°48' (indicating the CENTRE OF THE TURNING CIRCLE) unlit. Position (WGS 84) : 49°28,555'N - 000°09,451'E
1410/2026
Submerged anchor, chain and cable reported near Antifer (approaches to Fecamp)
ActiveDrifting object
05 Aug 2026, 19:58 UTCShow on map
Lang
Area: ANTIFER Locality: APPROCHES DE FECAMP SUBMERGED_OBJECT TSM WINDCAT 53 signale perte de sa pioche de mouillage avec 30m de chaine et 60m de câble à la position approximative : 49°46.505N / 000°20.751E
1404/2026PAN PAN
Submerged fishing net near Le Tréport (Antifer) - keep clear
ActiveDrifting object
04 Aug 2026, 05:56 UTCShow on map
Lang
Area: ANTIFER Locality: ABORDS DU TREPORT SUBMERGED_FISH_NET A trawl has sunk between the following positions: - 50°15.61'N / 001°09.42'E - 50°15.64'N / 001°09.36E NO BUOYAGE INDICATING THE DANGER. VESSELS ARE TO KEEP A SAFETY DISTANCE OF 200 METERS WITH THESE POSITIONS.
1327/2026PAN PAN
Drifting trawl gear off Le Tréport (Antifer)
ActiveDrifting object
18 Jun 2026, 20:40 UTCShow on map
Lang
Area: ANTIFER Locality: OFF LE TREPORT OBJECT_ADRIFT AVURNAV LOCAL CHERBOURG 1327/26 ANTIFER - LE TREPORT DRIFTING HAZARD THE VESSEL GENERAL DE GAULLE / FGAC REPORTS HAVING LOST, FOLLOWING A HYDRAULIC FAILURE, ITS TRAWL WITH CABLES AND DOORS - APPROXIMATELY 350M OF GEAR. IN POSITION: 50-04.50N 001
1250/2026
Submerged fishing gear moored in Seine Bay (Antifer) marked by two white balloons
ActiveDrifting object
11 May 2026, 07:43 UTCShow on map
Lang
Area: ANTIFER Locality: SEINE BAY SUBMERGED OBJECT FISHING GEAR (BOTTOM TRAWL) SET BY THE FISHING VESSEL NEPTUNE IN POSITION: LATITUDE 49°22.755'N LONGITUDE 000°06.479'W. MARKED BY TWO WHITE BALLOONS ON THE SURFACE, 200M OF WARP IN TOTAL.
1234/2026
Scientific buoy probes off Flamanville (Casquets), 15 Apr to 01 Dec 2026
Activeuntil 01 Dec 2026, 00:00 UTC (in 16 days)Survey operations
27 Apr 2026, 08:43 UTCShow on map
Lang
Area: CASQUETS Locality: FLAMANVILLE Valid from 15 Apr 2026 22:00 UTC to 01 Dec 2026 00:00 UTC SCIENTIFIC_BUOY_APPARATUS Marine scientific research, sea temperature measurements off Flamanville power plant probe 1 49-32.25N 001-53.50W probe 2 49-32.27N 001-53.36W probe 3 49-32.56N 001-53.51W probe 4 49-32.54N 001-53.64W probe 5 49-32.57N 001-53.99W Navigate with caution
1231/2026PAN PAN
Submerged fishing-boat wreck off St George de La Rivière (Casquets)
ActiveWreck / obstruction
24 Apr 2026, 22:45 UTCShow on map
Lang
Area: CASQUETS Locality: Off St George de La Rivière DANGEROUS WRECK SUBMERGED FISH NET WRECK OF PLEASURE FISHING BOAT MARKED BY A BUOY. THE VESSEL IS HOOKED TO A FISHING LINE BETWEEN 50 AND 70 M 49-20.37N 001-46.69W Navigate with caution
1228/2026
Scientific buoy temperature measurements off Paluel power station
Activeuntil 30 Nov 2026, 21:59 UTC (in 16 days)Survey operations
23 Apr 2026, 13:33 UTCShow on map
Lang
Area: ANTIFER Locality: PALUEL POWER STATION Valid from 17 Apr 2026 to 30 Nov 2026 21:59 UTC SCIENTIFIC_BUOY_APPARATUS Marine scientific research, sea temperature measurements off Paluel power station: Station 1 49-52.10N 000-37.86E Station 2 49-52.16N 000-38.37E Station 3 49-52.34N 000-38.45E Station 4 49-52.05N 000-37.57E Navigate with caution
1212/2026
Submerged fishing gear and 75m cable off Boulogne-sur-Mer (Pas de Calais)
ActiveDrifting object
16 Apr 2026, 06:58 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: OFF BOULOGNE-SUR-MER SUBMERGED_OBJECT "SALUT DES PÊCHEURS" LOST A 6M BEAM WITH ITS DREDGES AND A 75M CABLE ON 15/04 AT 1930 LT 50-41.66N 001-17.90E Navigate with caution
1209/2026
Bathymetric survey in Dieppe-Le Tréport wind farm (Antifer area)
ActiveSurvey operations
15 Apr 2026, 08:26 UTCShow on map
Lang
Area: ANTIFER Locality: DIEPPE LE TREPORT WIND FARM SCIENTIFIC_BUOY_APPARATUS Bathymetric survey campaign Area bounded by: 50-05.12N 001-02.40E 50-12.83N 001-02.09E 50-13.07N 001-13.57E 50-05.32N 001-13.89E Navigate with caution
1193/2026
Submerged fishing net south of buoy DW16 in Dunkerque Channel
ActiveNavigational hazard
02 Apr 2026, 14:26 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: DUNKERQUE CHANNEL SUBMERGED_FISH_NET Presence of fishing gear marked by red and white buoys, approximately 200m south of buoy DW16 51-03.04N 002-08.67E Navigate with caution
1183/2026
Scientific sediment-sampling survey off Caen (Antifer) until further notice
ActiveSurvey operations
27 Mar 2026, 09:00 UTCShow on map
Lang
Area: ANTIFER Locality: OFF CAEN SCIENTIFIC_BUOY_APPARATUS Until further notice, bio-sedimentary monitoring survey, sediment sampling by Day grab area bounded by: 49-19.82N 000-12.53W 49-19.85N 000-11.43W 49-19.48N 000-11.41W 49-19.45N 000-12.51W 10 49-19.99N 000-12.27W 13 49-20.50N 000-12.50W 14 49-20.68N 000-10.58W 20 49-17.32N 000-14.15W 12 49-18.77N 000-13.00W area bounded by: 49-19.14N 000-12.98W 49-19.16N 000-12.03W 49-18.93N 000-12.01W 49-18.90N 000-12.96W area bounded by: 49-19.63N 000-13.50W 49-19.63N 000-12.30W 49-19.11N 000-12.27W 49-19.09N 000-13.53W 11 49-19.32N 000-12.15W 21 49-17.28N 000-12.63W 22 49-17.22N 000-11.32W 23 49-17.32N 000-09.87W 24 49-17.40N 000-12.11W
1172/2026
Submerged large metal pipe off Le Havre (Antifer), 0.2 NM radius
ActiveWreck / obstruction
20 Mar 2026, 13:48 UTCShow on map
Lang
Area: ANTIFER Locality: Le Havre SUBMERGED OBJECT Presence of a large metal pipe, submerged at high tide, off Le Ponant. Area of radius 0.2 NM around 49-29.86N 000-05.19E. Navigate with caution
1170/2026
Scientific waverider buoy off Fecamp (Antifer) - fishing and anchoring prohibited
ActiveOffshore operations
20 Mar 2026, 08:38 UTCShow on map
Lang
Area: ANTIFER Locality: OFF FECAMP SCIENTIFIC_BUOY_APPARATUS PRESENCE OF A WAVERIDER BUOY 49-45.22N 000-19.39E Fishing, trawling, dredging, anchoring and diving prohibited in this area
1169/2026
Navigation channel passes through anchorage with 88 moorings in Baie de Canche
ActiveNavigational hazard
20 Mar 2026, 08:03 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: BAIE DE CANCHE BUOY_ESTABLISHMENT The navigation channel currently passes through the anchorage area delimited by yellow buoys comprising 88 moorings marked by white buoys, presenting an obstacle. One of these yellow buoys is semi-submerged.
1157/2026
Submerged dredge bar near Antifer at mouth of the Seine
ActiveWreck / obstruction
17 Mar 2026, 17:37 UTCShow on map
Lang
Area: ANTIFER Locality: MOUTH OF THE SEINE SUBMERGED_OBJECT A 5m dredge bar with 3m of cable 49-27.10N 000-15.36W Navigate with caution and at reduced speed
1153/2026PAN PAN
Submerged anchor reported off Calais (Pas de Calais)
ActiveWreck / obstruction
14 Mar 2026, 10:40 UTCShow on map
Lang
Area: PAS DE CALAIS SUBMERGED_OBJECT PAS DE CALAIS - OFF CALAIS NEWLY DISCOVERED DANGER ANCHOR OF TM FANARIA IMO 9228241 SUBMERGED AND LOST IN THE FOLLOWING POSITION: 51-03.33N 001-51.83E
1147/2026
Scientific buoy survey area off Flamanville (Casquets)
ActiveSurvey operations
06 Mar 2026, 13:32 UTCShow on map
Lang
Area: CASQUETS Locality: FLAMANVILLE SCIENTIFIC_BUOY_APPARATUS Until further notice Sediment and benthic habitat characterisation study area bounded by: 49-31.81N 001-55.00W 49-30.48N 001-54.96W 49-30.47N 001-57.26W 49-31.79N 001-57.23W Navigate with caution
1146/2026
Sediment sampling by dredge and grab at Fecamp wind farm (Antifer) - navigate with caution
ActiveSurvey operations
06 Mar 2026, 13:13 UTCShow on map
Lang
Area: ANTIFER Locality: FECAMP WIND FARM SCIENTIFIC_BUOY_APPARATUS UNTIL FURTHER NOTICE SEDIMENT SAMPLING BY DREDGE AND GRAB area bounded by: 49-45.96N 000-21.87E 49-45.76N 000-21.85E 49-45.82N 000-21.12E 49-50.00N 000-18.24E 49-54.04N 000-16.04E 49-54.20N 000-16.66E 49-50.77N 000-19.04E Navigate with caution
1145/2026
Sediment sampling and scientific buoys in future Dieppe-Le Tréport wind farm area
ActiveSurvey operations
06 Mar 2026, 13:05 UTCShow on map
Lang
Area: ANTIFER Locality: FUTURE DIEPPE-LE TREPORT WIND FARM SCIENTIFIC_BUOY_APPARATUS Until further notice, sediment sampling by dredge and grab in area bounded by: 50-08.50N 001-11.39E 50-08.29N 001-14.24E 50-03.01N 001-17.38E 49-59.61N 001-13.50E 50-00.74N 001-11.96E 50-06.29N 001-10.47E Navigate with caution
1144/2026
Cable-laying operation off Cayeux-sur-Mer; fishing and anchoring prohibited
ActiveCable / pipeline work
06 Mar 2026, 08:36 UTCShow on map
Lang
Area: ANTIFER Locality: OFF CAYEUX-SUR-MER Valid from 05 Mar 2026 CABLE_LAYING_OPERATION Until further notice Fishing, trawling, dredging, anchoring and diving prohibited in this area Area bounded by: 50-13.92N 001-21.74E 50-16.02N 001-20.00E 50-15.83N 001-19.10E 50-13.36N 001-21.62E Area bounded by: 50-16.03N 001-19.98E 50-19.57N 001-11.81E 50-19.02N 001-11.42E 50-15.81N 001-19.12E Area bounded by: 50-19.58N 001-11.79E 50-20.01N 001-06.22E 50-19.51N 001-06.21E 50-19.02N 001-11.42E Area bounded by: 50-13.89N 001-21.74E 50-10.71N 001-29.26E 50-10.46N 001-29.07E 50-13.42N 001-21.58E
1123/2026
Missing scientific buoys with drift risk off Fecamp (Antifer)
ActiveDrifting object
25 Feb 2026, 12:32 UTCShow on map
Lang
Area: ANTIFER Locality: OFF FECAMP SCIENTIFIC_BUOY_APPARATUS Buoys missing and risk of drifting in the area BA 08 50-02.24N 000-11.50W BA 10 50-05.21N 000-23.32W Report any information to CROSS Jobourg
1112/2026
Port-hand lateral buoy AMFARD Sud-Ouest adrift in Rouen Channel (Antifer)
ActiveDrifting object
18 Feb 2026, 12:38 UTCShow on map
Lang
Area: ANTIFER Locality: ROUEN CHANNEL BUOY_ADRIFT PORT HAND LATERAL BUOY AMFARD SUD-OUEST 49-26.30N 000-04.78E Reported adrift, was in position 49°27.130'N 000°04.000'E at 12h00 today Navigate with caution
1090/2026
Unmarked lost 120 m fishing outrigger near Antifer / Courseulles-sur-Mer
ActiveDrifting object
04 Feb 2026, 19:51 UTCShow on map
Lang
Area: ANTIFER Locality: LARGE COURSEULLES SUR MER ACOUSTIC_RECORDER MARINERS ARE ADVISED THAT A FISHING VESSEL HAS LOST ITS 120M OUTRIGGER (TANGON) AT POSITION (WGS84): 49°24,55N 000°30,33W. EQUIPMENT NOT BUOYED AT THE SURFACE. FISHING, TRAWLING, DREDGING, AND ANCHORING ARE PROHIBITED AROUND THIS POSITION. EXTREME CAUTION IS ADVISED.
1751/2025
Drifting bottom trawl reported in Baie de Seine (Antifer)
ActiveDrifting object
20 Dec 2025, 16:40 UTCShow on map
Lang
Area: ANTIFER Locality: BAIE DE SEINE FISH_NET_ADRIFT SIGNALONS PERTE D'UN CHALUT DE FOND AVEC 40M DE FUNES. LE MATERIEL N'EST PAS BALISE.
1742/2025
Restrictions around Dieppe-Le Tréport wind farm for acoustic recording
ActiveRestricted area
17 Dec 2025, 14:00 UTCShow on map
Lang
Area: ANTIFER Locality: DIEPPE LE TREPORT WIND FARM ACOUSTIC_RECORDER Fishing, trawling, dredging, anchoring and diving prohibited in this area. Zone P1 with a radius of 0.1 NM around 50-08.92N 001-07.70E. Zone P
1738/2025PAN PAN
Dangerous wreck reported in Antifer, Dieppe-Le Tréport wind farm
ActiveWreck / obstruction
14 Dec 2025, 15:17 UTCShow on map
Lang
Area: ANTIFER Locality: PARC EOLIEN DE DIEPPE LE TREPORT DANGEROUS_WRECK CANCELS AND REPLACES LOCAL AVURNAV 1737/25 ANTIFER - DIEPPE OFFSHORE WIND FARM NEWLY DISCOVERED DANGERS REPORT OF A DANGEROUS WRECK FOLLOWING A SHIPWRECK AT POSITION 50-04.54N 001-04.25E Navigate with caution
1700/2025
Submerged fishing trawl lost off Antifer
ActiveDrifting object
01 Dec 2025, 06:38 UTCShow on map
Lang
Area: ANTIFER SUBMERGED_OBJECT LOSS OF TRAWL ONLY FROM A FISHING VESSEL (WITHOUT DOORS WITHOUT CABLES) 49-33.31N 000-23.32W
1695/2025
Scientific acoustic stations (ANTIFER) - local 50 m exclusion zones
ActiveSurvey operations
28 Nov 2025, 14:33 UTCShow on map
Lang
Area: ANTIFER SCIENTIFIC_BUOY_APPARATUS Presence of acoustic stations. Trawling, anchoring, or dredging prohibited C1 radius of 50M around 49-54.96N 000-15.23E. C3H2 radius of 50M around 49-51.06N 000-14.15E. C2 radius of 50M around 49-55.74N 000-18.30E. H1 radius of 50M around 49-38.00N 000-00.01E In case of incident call 06 50 67 76 04. Navigate with caution
1689/2025PAN PAN
Submerged dredge from fishing vessel Santa Clara near Les Casquets
ActiveWreck / obstruction
26 Nov 2025, 12:47 UTCShow on map
Lang
Area: CASQUETS Locality: CASQUETS SUBMERGED_OBJECT Navire de pêche "Santa Clara" - perte drague à praires POS: 49°07.997N 001°50.408W Représente un danger pour la navigation
1647/2025
Lost scallop dredge submerged in Baie de Seine (Antifer)
ActiveWreck / obstruction
06 Nov 2025, 16:45 UTCShow on map
Lang
Area: ANTIFER Locality: BAIE DE SEINE SUBMERGED OBJECT Do not fish, trawl, dredge, anchor or dive in this area 49-32.68N 000-26.99W LOSS OF A SCALLOP DREDGE. ONE BAR WITH 40 M OF WARPS.
1643/2025
Subsurface mooring off Calais; fishing, anchoring and diving prohibited
ActiveOffshore operations
05 Nov 2025, 15:19 UTCShow on map
Lang
Area: PAS DE CALAIS Locality: OFF CALAIS SUBSURFACE_MOORING Do not fish, trawl, dredge, anchor or dive in this area 51-01.50N 001-44.80E Navigate with caution