1. Anchorage Specifications
| Anchorage Name | Location (WGS84) | Area (km²) | Depth (m) | Bottom Type | Max DWT | Capacity | Primary Use | Restrictions & Safety | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Kochi Outer Anchorage | 33°30’00″N, 133°33’00″E | 1.2 | 15-20 | Mud/Sand mix | 50,000 | 5 vessels | Bulk carriers, general cargo | Typhoon exclusion zone; winter NW winds | Bunkering available (48h notice) |
| Kochi Inner Anchorage | 33°31’30″N, 133°34’30″E | 0.8 | 10-15 | Soft clay | 30,000 | 3 vessels | Coastal shipping | 2.8kt currents; 7:1 scope required | Daylight operations preferred |
| Urado Bay Anchorage | 33°29’00″N, 133°32’00″E | 0.5 | 8-12 | Sand/Shell | 20,000 | 2 vessels | Fishing vessels | Submerged rocks at 33°29’12″N | Fishing priority area |
| Susaki Emergency | 33°23’00″N, 133°17’00″E | 0.3 | 12-18 | Hard sand | 15,000 | 1 vessel | Distress only | Max 24h stay | No commercial ops |
| Nankai Standby | 33°28’15″N, 133°30’45″E | 0.4 | 12-14 | Firm mud | 25,000 | 2 vessels | Waiting area | Daylight use only | Pilot transfer point |
2. Operational Parameters
- Tidal Data: MHWS 2.1m, MLWS 0.6m (Japan Hydrographic Dept. 2024)
- Currents: 3.2kt max at spring tides (inner harbor)
- Holding Ground: Outer anchorage tested for 5:1 scope in 30kt winds
- VTS Coverage: 24/7 radar monitoring (Kochi VTS Sector 3)
- Pilotage: Compulsory >10,000 DWT (VHF Ch 12/16)
3. Safety Critical Information
- Hazards: Uncharted debris at 33°30’45″N, 133°33’30″E (2023 survey)
- Prohibited Areas: 500m radius around submarine cable at 33°31’15″N
- Emergency Contacts: JCG Kochi on VHF Ch 16 (call sign “Kochi Radio”)
- Weather Limits: Anchorage closed when gusts exceed 25m/s
4. Commercial Services
- Bunkering: Available at outer anchorage (3 providers licensed)
- Fresh Water: 100t/day limit (72h notice required)
- Waste Disposal: Port reception facilities available
Important Notes:
- All coordinates use WGS84 datum
- Depths referenced to Lowest Astronomical Tide (LAT)
- Vessels >20,000 DWT must submit anchoring plan 24h in advance
- No unofficial contact details provided per regulations




