| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| A (General Cargo) | 36°26’18″N 119°53’42″E (WGS-84) | 3.5 | 14-17 (MHWS) | Mud/Sand (80/20%) | 120,000 (Increased 2024) | 8 vessels (Increased) |
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| B (Oil Tankers) | 36°24’57″N 119°55’30″E ±50m | 2.8 | 16-19 (Dredged 2024) | Clay (LL=45-60%) | 180,000 (VLCC approved) | 4 vessels (+1 emergency slot) |
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| C (LNG/LPG) | Primary: 36°23’40″N 119°57’15″E Secondary: 36°23’30″N 119°57’25″E |
2.2 (Expanded) | 17-21 (Deepened) | Hard Sand (SPT N=25-40) | 100,000 (Increased) | 3 vessels (+1 emergency) |
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| D (Waiting) | 36°27’30″N 119°52’00″E ±30m | 4.5 | 13-15 (2024 survey) | Silt (PI=15-25) | 60,000 | 10 vessels (High season) |
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| E (DG Class 1-5) | 36°22’55″N 119°58’40″E ±20m | 1.8 | 15-16 (Verified) | Mud (Cu=1.5-2.5) | 45,000 | 4 vessels (+1 temp.) |
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| F (Emergency) | 36°25’20″N 119°54’10″E (Precise) | 1.0 | 16-17 (Rock) | Bedrock (Granite) | 30,000 | 1 vessel | Distress situations only |
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| G (Quarantine) | 36°26’00″N 119°51’45″E | 1.2 | 14-15 | Sandy Clay | 50,000 | 2 vessels | Health inspections |
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EXPANDED CRITICAL INFORMATION
Tidal & Current Data (Updated 2024)
- Highest Astronomical Tide: +4.2m
- Mean Spring Range: 3.8m (Prev. 3.5m)
- Current Vectors:
- Flood: 3.5kt @ 330°T (Max observed)
- Ebb: 3.1kt @ 150°T (Neap tide)
- New: Eddy currents NE of Anchorage B (2.1kt)
Enhanced Navigation Warnings
- Anchorage B:
- Submarine pipeline (36°24’50″N 119°55’35″E to 36°25’05″N 119°54’55″E)
- New: 800m exclusion zone during pipeline maintenance (NOTAM issued)
- Anchorage C:
- New: Underwater gas detection sensors – no anchoring within 150m
- Dynamic positioning zone 300m around LNG loading points
- New: Military exercise area 3nm NE of Anchorage D (active Apr-Oct)
VERIFIED SERVICES & FACILITIES
| Service | Location | Specifications | Notes |
|---|---|---|---|
| Anchor Monitoring | All anchorages |
|
$150/day (complimentary for first 24hrs) |
| Emergency Response | VHF Ch 16/06 |
|
Response time <45min (day), <90min (night) |
| Bunker Analysis | Anchorage B/D |
|
$350/sample (CNAS accredited) |
