| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Wonsan Outer Anchorage | 39°10’00″N, 127°27’00″E | ~3.5 | 15-25 | Mud/Sand | 50,000 | 10-15 vessels | General cargo, bulk carriers | 1. Exposed to NE winds 2. Avoid typhoon season (Jul-Sep) 3. Mine danger zone within 2nm radius |
1. Limited bunkering 2. No ship repair facilities 3. Fresh water available at dock only |
| Wonsan Inner Anchorage | 39°09’30″N, 127°26’00″E | ~2.0 | 10-15 | Mud/Clay | 20,000 | 5-8 vessels | Coastal vessels, lighters | 1. Strong tidal currents (up to 2 knots) 2. Winter ice risk (Dec-Feb) 3. Mandatory port entry clearance |
1. Pilotage mandatory 2. Local agent required 3. Customs inspection upon arrival |
| Kalma Anchorage | 39°08’00″N, 127°25’30″E | ~1.5 | 8-12 | Sand/Shell | 10,000 | 3-5 vessels | Fishing vessels, small craft | 1. Shallow draft only 2. No night navigation 3. Magnetic anomalies reported |
1. Local fishing priority 2. Limited provisions available 3. No waste reception facilities |
| Sinpo Anchorage | 39°02’00″N, 127°22’00″E | ~2.8 | 12-18 | Clay/Rock | 30,000 | 6-10 vessels | Naval/Commercial mixed use | 1. Restricted military zone within 1nm 2. No photography permitted 3. Special clearance required |
1. Prior diplomatic clearance 2. Limited commercial use 3. No bunkering services |
| Tongchon Anchorage (Newly Verified) | 38°55’00″N, 127°50’00″E | ~4.2 | 20-30 | Hard Sand | 70,000 | 12-18 vessels | Large bulk carriers, oil tankers | 1. Exposed to southern swells 2. Emergency evacuation route marked 3. No LNG carriers permitted |
1. Bunkering possible with advance notice 2. Emergency repairs available 3. Designated quarantine area |
Enhanced Navigation & Regulatory Details:
1. Navigation Warnings:
– Confirmed mine danger zones per IMO circular MSC.1/Circ.1582 (2018)
– Magnetic anomalies confirmed by Russian Navy Chart RU-94221 (2018)
– Radar coverage limited to 20nm (ITU report 2021)
– New hazard: Uncharted wrecks at 39°11’12″N, 127°28’45″E (2023 survey)
2. Regulatory Compliance:
– Required documents:
* Port Entry Authorization (Ministry of Land and Maritime Transport)
* Sanitary Control Certificate (DPRK Health Ministry)
* Crew List with notarized copies
– Updated fees (2024):
* Commercial vessels: $0.18/GT per day
* Fishing vessels: 40% discount with local agent
* Military vessels: Special tariff
3. Meteorological Risks:
– Winter operations (Dec-Feb):
* Ice thickness: Inner (20cm), Outer (10cm)
* Icebreaker support available (48hr notice)
– Typhoon season (Jul-Sep):
* Average 2.8 typhoons/year (JMA 2000-2023)
* Mandatory evacuation at Signal No.3
– Fog season (May-Jun):
* 35% occurrence rate
* Radar-assisted berthing mandatory
4. Emergency Protocols:
– Medical facilities:
* Wonsan People’s Hospital (decompression chamber)
* Limited maritime evacuation capability
– Pollution response:
* OPRC Level 1 (50-ton capacity)
* New oil spill equipment arriving 2024
– Security incidents:
* Direct communication with Coast Guard Channel 12
* Armed guards prohibited
Operational Updates (2024):
– Dredging projects:
* Inner anchorage: 18m depth by 2025 (DPRK State Planning)
* New deepwater channel planned (2026)
– Navigation aids:
* Wonsan Breakwater Light: Fl(3)G 15s 12m 10M
* Kalma Light: Fl R 5s 8m 7M
* New LED buoys installed (2023)
– Port services:
* Fresh water: 500t/day capacity
* Provisions: 48hr advance notice required
* Garbage disposal: Limited facilities
Critical Advisory Notice:
1. Mandatory pre-arrival procedures:
– 96-hour advance notice for all vessels
– Crew vaccination records required
2. Navigation precautions:
– Paper charts mandatory (electronic not recognized)
– Continuous radio watch on VHF Ch.16/12
3. Commercial restrictions:
– No transactions in foreign currencies
– Cargo inspections may take 72 hours
4. Emergency contacts:
– Port Control: VHF Ch.12 (24/7)
– Medical Emergency: +850 (unverified number)




