MDN 160/2025
analysis
ExpiredRelocation of scientific buoy EPD-4 to Tung O Wan (Southeast Lamma waters)
The scientific buoy EPD-4 was relocated northwestward in Southeast Lamma waters, with effect from 22 August 2025. New position given as 22-11.93N 114-09.36E (WGS 84) at Tung O Wan; previous position was 22-11.50N 114-09.62E. The buoy is a yellow pillar with Fl(5) Y.20s, yellow topmark X, radar reflector and fitted AIS. Vessels are advised to proceed with caution and give a wide berth.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
- Location
- Southeast Lamma waters, Tung O Wan
- Validity
- From 22 Aug 2025, 00:00 UTC
relocation works ... with effect from 22 August 2025 - Hazards
- new scientific buoy (navigation obstruction if close)
- Cancels
- Marine Department Notice No.47/2024
Generated automatically from the warning text on 30 Sept 2026, 11:41 UTC. It can be wrong: the original warning below is the authoritative text.
The whole analysis comes with Lagom
This warning's analysis also has:
- Action for mariners
- Keep-clear distance
- Lights and buoys affected
- Translations
- Nearby lights and rescue centres
The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.
Keywords
- Geometry refslane
- Geometry phrasesfairway