| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Susaki Outer Anchorage | 33°24’N, 133°18’E | 1.2 | 15-20 | Mud/Sand (70/30 composition) | 50,000 | 5 vessels (min 0.3nm separation) | Waiting/Storm shelter | Exposed to NE winds (Nov-Feb); SW monsoon (Jun-Sep) waves up to 3m; anchor holding power 3.5; prohibited during typhoon warning | No bunkering; nearest supply at Kochi Port (35nm); fresh water available by tender |
| Susaki Inner Anchorage | 33°23’N, 133°17’E | 0.8 | 10-12 | Clay (plasticity index 25-30) | 30,000 | 3 vessels (daylight only) | Cargo operations (bulk/containers) | Tidal currents 1.5-2.2 knots; swing radius ≥3x LOA; prohibited for LPG carriers | Cargo handling 15-20 MT/hr; stevedores available 0800-1700; no night operations |
| Emergency Anchorage A | 33°22.5’N, 133°16’E | 0.5 | 8-10 | Rock/Sand (40/60 composition) | 10,000 | 1 vessel | Emergency repairs | Poor holding (shear strength 20kPa); daylight only; tug standby mandatory; max stay 72hr | Requires port control permission + security deposit ¥2M |
| Quarantine Anchorage | 33°24.5’N, 133°18.5’E | 0.3 | 12-15 | Sandy clay | 20,000 | 2 vessels | Health inspections | Strict no-contact rule; yellow flag required; medical waste disposal prohibited | Inspection fees ¥150,000 per vessel |
Navigation Critical Information:
- Tidal Data:
- Mean spring range: 1.5m (MHWS 1.8m, MLWS 0.3m)
- Neap range: 0.8m (MHWN 1.1m, MLWN 0.3m)
- Highest astronomical tide: 2.1m
- Meteorological:
- Prevailing winds: NE (Oct-Mar, avg 15kt, gusts 25kt), SW (Jun-Aug, avg 12kt, gusts 30kt)
- Visibility: <1km for 15 days/year (mainly Jan-Feb)
- Wave heights: Outer anchorage max 4.5m during typhoons
- Currents:
- Flood tide: 0530-1130 JST (max 2.5kt)
- Ebb tide: 1200-1800 JST (max 2.8kt)
- Eddies near 33°23.1’N, 133°17.2’E
Operational Regulations:
- Mandatory Requirements:
- Pilotage: Compulsory >500GT (boarding position 33°25’N, 133°19’E)
- Reporting: ETA 48h via JP-MIS + 12h update
- VHF: Continuous watch on Ch14 (port control), Ch16 (safety)
- Restricted Areas:
- 0.5nm exclusion zone around aquaculture (33°22’N, 133°15’E)
- No-anchor zone near submarine cable (33°23.8’N, 133°17.8’E)
- Environmental:
- MARPOL Special Area: Zero discharge within 12nm
- Ballast Water: Management Plan required + sampling port state control
Safety Infrastructure:
- Emergency:
- Rescue boat: 24/7 capability (response time <30min)
- Oil spill equipment: Capacity 50T at port
- Navigation Aids:
- Light buoys: Fl R 4s at anchorage entrances
- Racon: Susaki Head (Morse ‘S’)
Commercial Services:
- Supplies:
- Bunkers: Not available (nearest at Kochi)
- Provisions: Limited local suppliers (24h notice required)
- Repairs:
- Emergency only: Hull welding capacity 10mm max
- Divers: Available with 6h notice
Legal Framework:
- Primary Legislation:
- Port Regulations Act (Article 37-2 for anchoring)
- Shikoku Regional Harbor Act (Article 17-3)
- Penalties:
- Unauthorized anchoring: ¥500,000-¥2M
- Pollution offenses: Up to ¥10M + criminal charges
