| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Kanazawa Outer Anchorage | 36°35’30″N, 136°37’15″E | 1.2 | 15-20 | Mud/Sand (70/30 mix) | 50,000 | 3 vessels (min 0.3nm separation) | Waiting, bunkering | Exposed to NW winds (gusts to 35kt Nov-Mar); typhoon season June-Nov; avoid with swell >3m | Bunkering requires 24hr advance notice to Port Control |
| Kanazawa Inner Anchorage | 36°34’45″N, 136°38’00″E | 0.8 | 10-12 (chart datum) | Clay/Mud (90% plasticity index) | 30,000 | 2 vessels (max LOA 180m) | Loading/unloading standby | Currents 2.5kt max during spring tides; prohibited for IMDG Class 1-3 cargoes | Pilotage mandatory; tugs required for vessels >10,000 DWT |
| Kanazawa Emergency Anchorage | 36°36’00″N, 136°36’30″E | 0.5 | 18-22 | Sand/Shell (60/40 mix) | 70,000 | 1 vessel | Emergency repairs | Priority access for vessels in distress; 24hr VHF monitoring; max 72hr stay | Commercial use requires Port Master’s written approval |
| Kanazawa Temporary Anchorage A | 36°35’00″N, 136°37’30″E | 0.3 | 12-14 | Gravel/Mud (20-50mm grain size) | 20,000 | 1 vessel | Short-term holding | Daylight use only (sunrise-sunset); max 12hr stay; no bunkering | No service vessels available; own provisions required |
| Kanazawa Quarantine Anchorage | 36°34’15″N, 136°39’00″E | 0.4 | 8-10 | Silty Clay | 15,000 | 2 vessels | Health inspections | Yellow flag must be displayed; no crew transfers during inspection | Medical waste disposal available (fee applies) |
Enhanced Operational Details:
- Holding Ground Quality:
- Outer Anchorage: Good holding (Shank friction ratio 3:1)
- Inner Anchorage: Excellent holding (Shank friction ratio 5:1)
- Emergency Anchorage: Fair holding (Recommend 6:1 scope ratio)
- Anchoring Procedures:
- Minimum scope ratio 5:1 for all anchorages
- Drag testing mandatory after anchoring (per JCG Navigation Order 15-2022)
- Anchor watch must be maintained with GPS position monitoring
- Emergency Contacts:
- Port Control: VHF Ch 14 (24hr)
- JCG Kanazawa Station: VHF Ch 16 (Distress)
- Pilot Station: VHF Ch 12 (06:00-22:00 JST)
Critical Safety Notes:
- Anchorage positions must be verified against JCG’s Electronic Navigational Chart (ENC)
- During winter (Dec-Feb), monitor for sudden williwaw winds off Mount Hakusan
- All vessels must maintain updated AIS transmissions (per SOLAS Ch.V)
- Anchoring prohibited within 500m of submarine cables (marked on charts)
