1561/2026
Special measurement buoy off Boulogne-sur-Mer reported adrift (approx 1 km)
Warning text
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ActiveA special measurement buoy (BOUÉE MESURE - HDF - off Boulogne) is reported off-position in the approaches to Boulogne-sur-Mer, Pas de Calais. The message gives the buoy position 50-46.25N 001-29.43E and states it has drifted about 1 km from its initial position. No times or contact details are provided. Mariners should be aware that the buoy is not at its charted position.
Navigate with caution and do not rely on this buoy for precise navigation; maintain safe watch and report any sighting to local authorities.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map, or as an API feed.
- Location
- Approaches to Boulogne-sur-Mer, Pas de Calais
- Hazards
- buoy off-position, unreliable aid to navigation
Coast stations for this area
- RCCMRCC Gris NezFrance7 NM from the area
- RCCMRCC DoverUnited Kingdom22 NM from the area
- RCCMRCC OostendeBelgium61 NM from the area
- DSCDSC Station Gris NezMRCC Gris NezFranceMMSI 002275100VHF 23range 23 NM7 NM from the area
- DSCDSC Station Saint FrieuxMRCC Gris NezFranceMMSI 002275100VHF 38range 38 NM12 NM from the area
- DSCDSC Station West HoughamMRCC DoverUnited KingdomMMSI 002320010VHF 45range 45 NM22 NM from the area
- DSCDSC Station DoverMRCC DoverUnited KingdomMMSI 002320010VHF 33range 33 NM23 NM from the area
- DSCDSC Station North ForelandMRCC DoverUnited KingdomMMSI 002320010VHF 25range 25 NM36 NM from the area
Aids to navigation affected
- Off stationBOUÉE MESURE - HDF - LARGE BOULOGNE · Marque: Spéciale · 50-46.25N 001-29.43E
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Worked out automatically from the warning text on 12 Oct 2026, 08:07 UTC. It can be wrong: the official warning text is the authority.