1558/2026
SÉCURITÉBuoy topmark not painted yellow in approaches to Boulogne-sur-Mer
ActiveReceived 09 Oct 2026, 13:04 UTC
Warning text
Positions open on the mapLang
Area: PAS DE CALAIS
Locality: APPROACHES TO BOULOGNE-SUR-MER
BUOY_DAYMARK_UNRELIABLE
MEASUREMENT BUOY HDF
TOPMARK IN THE SHAPE OF A SAINT ANDREW'S CROSS NOT PAINTED YELLOW.
50-46.25N 001-29.43E
Navigate with caution and at reduced speed
Location map
Open in the full mapAnalysis
ActiveA measurement buoy (BUOY MESURE HDF) in the approaches to Boulogne-sur-Mer has an unreliable daymark. The topmark in the shape of a Saint Andrew's cross is not painted yellow. Mariners are advised to navigate with caution and at reduced speed in the vicinity.
Navigate with caution and at reduced speed.
- 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 daymark unreliable, topmark not painted yellow
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
- OtherBUOY MESURE HDF · 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 09 Oct 2026, 15:07 UTC. It can be wrong: the official warning text is the authority.
KeywordsUNRELIABLE