1. Port Dolphins
| Dolphin Name | Location | Function | Specifications | Note |
|---|---|---|---|---|
| Hikari North Dolphin | North Breakwater (34°21’15″N 131°56’30″E) | VLCC mooring | Concrete structure, 8-point mooring | ClassNK certified (Cert.No.D-2023-45) |
| Hikari South Dolphin | South Anchorage (34°20’45″N 131°56’15″E) | General cargo | Steel pile, 6-point mooring | Fitted with quick-release hooks (SWL 50t) |
| Hikari East Dolphin | Eastern Approach (34°21’00″N 131°56’45″E) | Pilot transfer | Floating type, 4-point mooring | Equipped with LED navigation lights (IALA compliant) |
| Hikari West Dolphin | Western Channel (34°21’10″N 131°55’55″E) | Emergency mooring | Steel jacket structure | Reserved for port service vessels |
2. Mooring Buoys
| Buoy ID | Location (WGS84) | Depth (m) | Max DWT | Type | Main Use | Certification | Note |
|---|---|---|---|---|---|---|---|
| MB-1 | 34°21’30″N 131°56’20″E | 20 | 50,000 | Single-point | Oil tankers | ClassNK MB-2023-112 | Night operations permitted |
| MB-2 | 34°20’50″N 131°56’10″E | 15 | 30,000 | Multi-point | Bulk carriers | ClassNK MB-2023-113 | Daylight use only |
| MB-3 | 34°21’15″N 131°57’00″E | 18 | 40,000 | CALM buoy | LNG carriers | ClassNK MB-2023-114 | Explosion-proof fittings |
| MB-4 | 34°20’30″N 131°55’45″E | 12 | 15,000 | Multi-point | General cargo | ClassNK MB-2023-115 | Restricted to vessels <180m LOA |
3. Piers, Berths and Wharves
| Terminal Name | Berth Name | Coordinates | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (ton) | Main Cargo | Operational Limits | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hikari Oil Terminal | Berth OT-1 | 34°21’05″N 131°56’25″E | 320 | 18 | 100,000 | 280 | Jetty | 2 | 40 | Crude oil | Tidal window: ±2.5m | Fireproof design, ISPS Level 1 |
| Berth OT-2 | 34°21’00″N 131°56’20″E | 250 | 15 | 50,000 | 220 | Jetty | 1 | 25 | Petroleum products | Max wind: 15m/s | Hazardous zone Class I Div 1 | |
| Hikari General Cargo Terminal | Berth GC-1 | 34°20’55″N 131°56’15″E | 180 | 12 | 30,000 | 200 | Wharf | 3 | 50 | Containers, breakbulk | 24/7 operation | Ro-Ro ramp (SWL 80t) |
| Berth GC-2 | 34°20’50″N 131°56’10″E | 150 | 10 | 20,000 | 180 | Wharf | 2 | 30 | Steel, machinery | Daylight only | Heavy lift area (max 500t) | |
| Hikari LNG Terminal | Berth LNG-1 | 34°21’20″N 131°56’40″E | 300 | 20 | 150,000 | 320 | Jetty | 0 | N/A | LNG | Max current: 1.5kt | IG-compliant, no cranes |
| Hikari Bulk Terminal | Berth BT-1 | 34°20’45″N 131°56’05″E | 200 | 14 | 60,000 | 240 | Wharf | 4 | 60 | Coal, grain | Tidal window: ±3.0m | Conveyor system (500t/hr) |
| Hikari Container Terminal | Berth CT-1 | 34°20’35″N 131°55’55″E | 350 | 16 | 80,000 | 330 | Wharf | 5 | 65 | Containers | 24/7 operation | STS cranes (22 rows) |
4. Lighterage Facilities
| Lighterage Zone | Location | Depth (m) | Max DWT | Area (m²) | Primary Use | Operational Limits | Note |
|---|---|---|---|---|---|---|---|
| Inner Harbor Lighterage | 34°20’30″N 131°55’50″E | 8 | 5,000 | 15,000 | Barge transfers | Daylight only | Max wave height: 1.0m |
| Offshore Lighterage Area | 34°21’00″N 131°57’10″E | 10 | 10,000 | 25,000 | Container transshipment | 24/7 operation | Approved for tandem lifts |
| Eastern Lighterage Zone | 34°21’15″N 131°57’30″E | 12 | 15,000 | 20,000 | Project cargo | Daylight + tide dependent | Heavy lift barges only |
Important Notes:
- All coordinates are WGS84 datum
- Depths refer to Chart Datum (CD) – Japan Hydrographic Department standard
- Maximum allowable underkeel clearance: 10% of draft or 1.0m (whichever is greater)
- Port operating hours: 24/7 (some berths have restrictions as noted)
- Pilotage is compulsory for vessels >10,000 GT or >150m LOA




