MDN 159/2025

New yellow marker buoys demarcating Wong Chuk Kok Hoi and Mirs Bay fish culture zones

ActiveReceived 20 Aug 2025, 00:00 UTC

Warning text

Positions open on the map

MARINE DEPARTMENT NOTICE NO. 159/2025 (Establishment, Withdrawal and Changes of Aids to Navigation, Fairways, Anchorages & Other Port Facilities) Establishment of Marker Buoys Demarcating the Wong Chuk Kok Hoi and Mirs Bay Fish Culture Zones NOTICE IS HEREBY GIVEN that 12 marker buoys will be established to demarcate the Wong Chuk Kok Hoi and Mirs Bay Fish Culture Zones (FCZs) with effect from 22 Aug 2025. 2. The marker buoys will be laid at the following co-ordinates (WGS 84 Datum): Wong Chuk Kok Hoi Fish Culture Zone: Name : WCKH1 Co-ordinate : 22-30.54N 114-18.93E Name : WCKH2 Co-ordinate : 22-30.64N 114-19.36E Name : WCKH3 Co-ordinate : 22-30.41N 114-19.43E Name : WCKH4 Co-ordinate : 22-30.30N 114-18.99E Mirs Bay Fish Culture Zone: Name : MB(N)1 Co-ordinate : 22-28.66N 114-22.65E Name : MB(N)2 Co-ordinate : 22-28.36N 114-23.15E Name : MB(N)3 Co-ordinate : 22-27.90N 114-22.84E Name : MB(N)4 Co-ordinate : 22-28.20N 114-22.34E Name : MB(S)1 Co-ordinate : 22-27.27N 114-22.25E Name : MB(S)2 Co-ordinate : 22-27.27N 114-23.46E Name : MB(S)3 Co-ordinate : 22-26.48N 114-23.46E Name : MB(S)4 Co-ordinate : 22-26.48N 114-22.24E 3. All the above-mentioned marker buoys share the same characteristics as follows: Shape : Pillar Colour : Yellow Light characteristics : Q.Y. Top Mark : Yellow “X” Radar Reflector : Fitted 4. Vessels navigating in the vicinity should proceed with caution and give a wide berth to the buoys. 5. A drawing showing the Wong Chuk Kok Hoi and Mirs Bay FCZs and the positions of the marker buoys is attached to this Notice. This Notice should be read in conjunction with Marine Department Notice No. 206/2023. Ms. Lydia LAM Director of Marine (Acting) Marine Department Government of the HKSAR Date: 20 August 2025 Action File Ref.: L/M No. 39/25 in MD-PD&PS-F01-075-01A-001A-P085

Location map

Open on the full map

Analysis

Active

Twelve marker buoys will be established to demarcate the Wong Chuk Kok Hoi and Mirs Bay Fish Culture Zones, effective from 22 Aug 2025. All buoys are yellow pillar buoys with Q.Y. light, yellow X topmark and fitted radar reflector. Vessels should proceed with caution and give a wide berth to the buoys. See MDN 206/2023 for related information.

Type: Aids to navigation · severity low
Feed: Aids to navigationAll warnings of this kind on the map, or as an API feed.
Location: Wong Chuk Kok Hoi and Mirs Bay, Hong Kong
Validity: From 22 Aug 2025, 00:00 UTC
with effect from 22 Aug 2025.
Hazards: marker buoys (new), navigation obstruction - buoys

Worked out automatically from the warning text on 30 Sept 2026, 11:41 UTC. It can be wrong: the official warning text is the authority.

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.

See the plans

Back to Hong Kong