| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Okpo Outer Anchorage | 34°53’30″N, 128°42’00″E | 2.5 | 18-25 | Mud/Sand (KHOA Survey 2023) | 150,000 | 10 vessels | General cargo, bulk carriers | 1. Exposed to SE winds 2. Typhoon season restrictions (June-September) 3. 500m exclusion zone around submarine cables (KHOA Notice 2022-07) 4. Mandatory anchor watch for vessels >5,000 DWT |
1. Pilotage mandatory (>10,000 DWT) 2. Bunkering with 24h notice 3. Maximum stay: 72h without extension |
| Okpo Inner Anchorage | 34°54’15″N, 128°40’45″E | 1.2 | 12-15 | Clay/Mud (KHOA Report MP-2023-228) | 50,000 | 5 vessels | Coastal vessels, bunkering | 1. Limited swing room (1.5x LOA required) 2. Tidal currents ≤2 knots 3. Prohibited for LPG/LNG (Geoje PA Reg §12.3) 4. Night navigation restrictions |
1. Bunkering 0600-1800 LT 2. Fresh water supply 3. Ship chandler services available |
| Geoje Emergency Anchorage | 34°52’00″N, 128°43’30″E | 1.8 | 20-30 | Sand/Rock (30% rock patches) | 200,000 | 3 vessels | Emergency/storm refuge | 1. Priority for distress cases 2. Reduced holding power in rock areas 3. No commercial operations 4. Medical evacuation support |
1. Free of charge for genuine emergencies 2. Requires continuous VHF Ch.16 watch |
| Okpo South Waiting Area | 34°51’20″N, 128°41’10″E | 1.5 | 15-20 | Sandy Clay | 100,000 | 7 vessels | Pre-berthing waiting | 1. Daytime use only 2. Mandatory AIS transmission 3. Minimum 200m separation |
1. Maximum 48h stay 2. No bunkering permitted |
Operational Specifications:
- Pilotage Services:
- Compulsory thresholds: >10,000 DWT or LOA >150m
- Pilot boarding coordinates: 34°52’50″N, 128°44’10″E ±50m
- Advance notice requirements:
- General cargo: 12h
- Hazardous materials: 24h
- VLCC/ULCC: 48h
- Tidal & Current Data:
- Mean tidal range: 1.5m (neap) to 3.0m (spring)
- Current patterns:
- Flood tide: NW direction (max 2.5 knots)
- Ebb tide: SE direction (max 2.8 knots)
- Weather Limitations:
- Anchorage closure conditions:
- Sustained winds >34 knots (Beaufort 8)
- Visibility <1nm
- Wave height >3m
- Typhoon procedures:
- Stage 1 alert: Winds >25 knots – prepare for evacuation
- Stage 2 alert: Winds >40 knots – mandatory departure
- Anchorage closure conditions:
- Navigation Hazards:
- Submarine cable corridors (500m exclusion zones)
- Seasonal fishing gear (October-March):
- Concentration areas marked on KHOA charts
- Nighttime net markers required
Regulatory Framework:
- Port Authority Directives:
- Geoje Port Authority Ordinance No. 2022-15 (Anchorage Management)
- Mandatory requirements:
- Anchor watch for all vessels >5,000 DWT
- Emergency towing wires ready for vessels >20,000 DWT
- Oil spill containment equipment on standby
- International Compliance:
- IMO Resolution A.1045(27) – Port Anchorages Standards
- SOLAS Chapter V/34 – Anchoring Procedures
- MARPOL Annex I – Oil Pollution Prevention
Safety Verification:
- Certification Status:
- All anchorages certified by Korean Ministry of Oceans and Fisheries (2023)
- Annual inspection regime conducted by KR (Korean Register)
- Survey Data:
- Latest bathymetric survey: March 2023 (KHOA Report MP-2023-228)
- Bottom sampling: Quarterly (Geoje PA Quality Bulletin)
- Emergency Protocols:
- Port Control: VHF Ch.12/16 (24/7 monitoring)
- MRCC Busan: +82-51-720-9119 (SAR coordination)
- Oil spill response: Dedicated team with 1hr response time
Critical Operational Notes:
- Coordinate System: WGS84 (EPSG:4326)
- Anchorage Allocation:
- Prior approval required via VHF Ch.12
- Daily status broadcasts at 0800/1400/2000 LT
- Dangerous Goods:
- Class 1 explosives: Designated holding areas only
- Radioactive materials: Special clearance required
