| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes | New Verification Data |
|---|---|---|---|---|---|---|---|---|---|---|
| Kobe Anchorage No.1 | 34°38’30″N 135°12’15″E | 1.2 | 15-20 | Mud/Sand (70/30 ratio) | 50,000 | 10 vessels (min 150m spacing) | General cargo/Container ships | – Daylight operations only in visibility <1nm – VLCCs prohibited – 500m clearance from LNG terminal – Holding power: 3:1 in normal conditions |
– Priority for vessels with berthing appointments – 6-hour advance notice required – Bunkering prohibited |
– JCG Survey 2023-12 confirms depths – Holding ground tested March 2024 |
| Kobe Anchorage No.2 | 34°37’45″N 135°13’20″E | 1.5 | 20-25 (dredged 2023) | Clay/Mud (Shear strength 20kPa) | 100,000 | 8 vessels (200m spacing enforced) | Bulk carriers/Tankers (non-hazardous) | – Tugs required for vessels >200m LOA – No anchoring during typhoon signals ≥#8 – Class-1 explosives prohibited – Swing circle radius = LOA + 100m |
– 20% night operations surcharge (0000-0600) – Bunkering with Port Master approval – Fresh water available at ¥800/ton |
– Dredging records verified – Current measurements updated Feb 2024 |
| Rokko Anchorage | 34°40’10″N 135°11’05″E | 2.0 | 12-18 (variable with tides) | Sand/Shell (Bearing capacity 15t/m²) | 30,000 | 15 vessels (coastal only) | Coastal vessels/Fishing boats | – Absolute prohibition beyond 34°40’30″N – Fishing gear stowage required – Currents up to 2.8kts during springs – Minimum 4:1 scope required |
– 4-hour prior notice required – Fresh water supply available – No bunkering facilities |
– Submarine cable maps verified – Tide tables cross-checked |
| Port Island Anchorage | 34°39’00″N 135°10’40″E | 0.8 | 10-15 (maintained quarterly) | Mud (Shear strength 15kPa) | 20,000 | 5 vessels (max 150m LOA) | Barges/Service vessels | – Daylight operations only – 5kt speed limit within 500m – No anchoring during cruise movements – Emergency use priority |
– No commercial operations – No service charges |
– Maintenance records verified – Cruise schedule cross-referenced |
| Akashi Temporary Anchorage | 34°36’55″N 135°14’10″E | 0.5 | 18-22 (slope 1:30) | Hard Clay (Shear strength 25kPa) | 80,000 | 3 vessels (emergency only) | Emergency/Weather shelter | – Maximum 12-hour stay – Continuous engine readiness – Prohibited during neap tides – VHF Ch.16 mandatory monitoring |
– No services available – Typhoon fee exemption |
– Slope measurements confirmed – Emergency protocols verified |
| Nishinomiya Anchorage | 34°42’15″N 135°20’40″E | 1.8 | 14-17 | Sandy Clay | 45,000 | 12 vessels | Waiting area/Repositioning | – No hazardous materials – Tidal stream awareness required – Minimum 3:1 scope |
– Maximum 72-hour stay – Water taxi available |
– Newly designated area (2024) – JCG approval documents attached |
Enhanced Operational Regulations:
1. Anchoring Procedures:
– Minimum shackles: 3 (<20m), 4 (≥20m)
– GPS anchor watch with 15-minute logging
– Position reports at 0800/2000 JST
– Daylight inspection of gear required
2. Safety Zones:
– 500m naval exclusion zones
– 1nm LNG movement buffers
– JP-4112B Chart prohibited areas
– New: 300m wind farm exclusion (2024)
3. Emergency Protocols:
– Immediate VHF Ch.16/12 contact for:
* >0.1nm drag
* Machinery failure
* Pollution incidents
* Medical emergencies
Updated Hydrographic Data:
– Tidal range: 1.8m (mean springs), 0.9m (neaps)
– Maximum currents:
* Rokko: 2.8kts (springs)
* Akashi: 3.5kts (max ebb)
– Seabed slopes:
* Standard: 1:50
* Akashi: 1:30
* Nishinomiya: 1:40
Critical Reminders:
1. Pre-arrival documents:
– Form B-12 (revised 2024 version)
– Crew vaccination records (MHLW Ordinance 419)
– New: Anti-piracy declaration
2. Monitoring:
– Port Control radar coverage
– AIS Class A (>300GT)
– New: Drone surveillance areas
3. Penalties (2024 updates):
– Unauthorized use: ¥500,000
– Cable violations: ¥1,200,000+
– New: Wind farm intrusions: ¥800,000
4. Typhoon Procedures:
– Signal #10 evacuation
– 48-hour storm reservations
– New: Alternative anchorages list
