| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes | Regulatory References |
|---|---|---|---|---|---|---|---|---|---|---|
| North Anchorage | 34°40’12″N, 135°25’48″E (WGS84 Datum) |
2.5 ±0.2 | 15-20 (CD+3m MHWS) | Mud/Sand (Shield’s factor 0.8) Tested 2023-09 |
100,000 | 10 vessels (min 0.3nm separation) |
General cargo, bulk carriers Container ships ≤8,000 TEU |
1. LOA limit: 250m (300m with waiver) 2. Typhoon signal ≥3: immediate evacuation 3. AIS Class A mandatory 4. Anchor watch required |
1. Commercial priority system (Tier 1-3) 2. 48hr pre-notice via PortMIS 3. Bunkering prohibited |
1. JCG Notice 12/2023 Art.5 2. IMO SN.1/Circ.345 3. Port Ordinance §7.1a |
| South Anchorage | 34°38’00″N, 135°26’30″E (JGD2011) |
3.0 ±0.3 | 20-25 (CD +3.5m max tide) | Clay/Sand (Holding power 3:1) Last test: 2024-01 |
150,000 (VLCCs: 320m LOA max) |
8 vessels (0.5nm separation) |
Tankers, VLCCs LNG carriers (special permit) |
1. MARPOL Special Area rules 2. Tug standby for >100,000 DWT 3. No DP without approval 4. Night navigation restrictions |
1. Tiered pricing (Port Tariff §7.2) 2. Pre-book via PortMIS + bond 3. Bunkering allowed (pre-approved) |
1. IMO MEPC.156(55) 2. ISGOTT Ch.10 3. JCG Oil Spill Contingency Plan |
| East Emergency Anchorage | 34°41’30″N, 135°28’15″E (WGS84) |
1.8 ±0.1 | 12-18 (uneven ±2m variation) | Rock/Mud (Holding index 1.2) Survey: 2023-11 |
50,000 | 5 vessels (daylight only) |
Emergency/standby Disabled vessels |
1. Max 12hr occupancy 2. JCG approval required 3. No hazardous materials 4. Medical emergency priority |
No commercial operations Exempt from port fees |
1. SOLAS Reg.V/34 2. Port Ordinance Chap.7 Art.12 3. IMO MSC.1/Circ.1401 |
| West Temporary Anchorage | 34°39’45″N, 135°24’10″E (JGD2011) |
1.2 ±0.1 | 10-15 (CD +2m min) | Sandy clay (Shield’s 0.6) | 30,000 | 6 vessels (max 7-day stay) |
Coastal feeders, barges Service vessels |
1. No bunkering/transfers 2. Daylight operations preferred 3. Must maintain VHF watch |
First-come-first-served Daily fee applies |
1. Port Operations Manual 2024 2. JCG Small Vessel Directive |
| Central Holding Area | 34°40’05″N, 135°26’20″E | 0.8 ±0.05 | 18-22 (dredged 2023) | Firm clay (Holding 4:1) | 80,000 | 4 vessels | Pilot transfer Customs clearance |
1. Max 6hr stay 2. No cargo operations 3. Priority for official services |
Free for official use Commercial: hourly rate |
1. Port Health Regulations 2. IMO FAL Convention |
Enhanced Operational Parameters:
1. Environmental Limits:
– Wave height: Max 2.5m for anchoring
– Current: 3 knots threshold for VLCCs
– Visibility: 1nm minimum (0.5nm with radar)
2. Navigation Protocols:
– VHF Channels:
– 16 (Distress)
– 12 (Port Control)
– 14 (Tug Coordination)
– 09 (Pilotage)
– Radar:
– 6nm range mandatory
– ARPA required for >20,000 GT
– AIS:
– Class A for commercial vessels
– 15min position reporting interval
3. Emergency Response:
– Oil Spill:
– Tier II response capability
– JCG contact:
– Medical:
– Helicopter medivac coordinates: 34°40’30″N, 135°25’00″E
– Port clinic: ISO 9001 certified
Commercial Services Matrix:
| Service | North | South | East | West | Central |
|---|---|---|---|---|---|
| Bunkering | No | Yes (pre-book) | No | No | No |
| Provisions | Daylight only | 24hr | Emergency | Daylight | No |
| Waste Disposal | Licensed only | Pre-approved | No | No | No |
| Tug Availability | 2hr notice | On standby | Emergency | 4hr notice | 1hr notice |
