| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Najin Outer Anchorage | 42°15’N, 130°18’E | 3.2-3.8 | 15-25 (chart datum) | Mud/Sand (70/30%) | 50,000 | 5-6 vessels (min 0.5nm separation) | Waiting/Staging | 1. Exposed to NE winds (gusts to 35kt) 2. Prohibited during typhoon alerts 3. Anchoring prohibited in cable zone (marked) |
1. Bulk carriers priority 2. Max stay 72hr without permit |
| Najin Inner Anchorage | 42°12’N, 130°15’E | 1.8-2.2 | 10-18 (MLWS) | Clay/Mud (UIC 1.2) | 30,000 | 3-4 vessels | Bunkering/Inspection | 1. Mandatory pilot for >5,000 DWT 2. Currents to 3kt during ebb 3. Night ops prohibited |
1. Coal transshipment only 2. Bunkering: IFO180/DO available |
| Sonbong Bay Anchorage | 42°20’N, 130°25’E | 3.7-4.3 | 20-30 (CD) | Rock/Sand (UIC 0.5) | 80,000 | 2-3 vessels | Emergency/Quarantine | 1. Military clearance required 2. No AIS transmission permitted 3. Anchor watch mandatory |
1. No commercial services 2. Medical evacuation point |
| Rajin SEZ Anchorage | 42°18’N, 130°22’E | 1.6-2.0 | 12-20 | Sandy Clay (UIC 1.0) | 40,000 | 2 vessels | Commercial Cargo | 1. Daylight ops only 2. Container lashing required 3. Security zone 500m |
1. Containerized cargo only 2. Customs clearance available |
| Emergency Anchorage | 42°17’N, 130°20’E | 0.8 | 25 (min) | Firm Sand (UIC 1.5) | 100,000 | 1 vessel | Distress Only | 1. Prior authorization required 2. Navy patrol monitoring 3. No repairs permitted |
Not for commercial use |
Enhanced Navigation Warnings:
1. Seasonal Hazards:
– Ice: Dec-Mar (20-40cm, brash ice present)
– Fog: Apr-Jun (30% occurrence, visibility <1km)
– Typhoons: Jul-Sep (24hr evacuation notice)
2. Traffic Management:
– VTS coverage: 24/7 on VHF CH16/12
– Reporting points:
– Entry: 42°30’N, 130°40’E
– Departure: 42°10’N, 130°10’E
Updated Regulatory Framework:
1. DPRK Maritime Laws:
– Port Entry: Notice 72hrs via Pyongyang HQ
– Environmental: Zero discharge policy (fine $50k+)
– Security: Armed guards prohibited
2. International Compliance:
– SOLAS Ch.V compliance verified
– MARPOL Annex I & IV enforced
– ISPS Code implementation level: Phase 1
Operational Specifications:
1. Anchorage Performance:
– Holding ground classification (UIC):
– Outer: 0.7 (marginal in >25kt winds)
– Inner: 1.2 (good)
– Emergency: 1.5 (excellent)
2. Meteo Data:
– Prevailing winds: NE (Oct-Mar), SW (Apr-Sep)
– Wave height: 1-2m (outer), 0.5-1m (inner)
Commercial Services Verification:
1. Bunkering:
– IFO180: 500mt/day max
– DO: 200mt/day
– No LNG/LSMGO
2. Provisions:
– Fresh water: 50mt/hr (potable standard)
– Provisions: 48hr notice required
Emergency Preparedness:
1. Response Capability:
– Oil spill: Tier 1 (max 10mt)
– Medical: Basic first aid only
– Firefighting: Port tugs equipped (FI-FI class)
2. Contingency Contacts:
– MRCC Pyongyang: VHF CH16
– Port Control: VHF CH12
Critical Advisory:
1. Political restrictions may change without notice
2. All coordinates should be cross-checked with ENC
3. Night navigation prohibited for all vessels >150m LOA


