| Anchorage Name | Location (WGS84) | Area (km²) |
Depth (m CD) |
Bottom Type | Max DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes | Holding Ground | Tidal Range |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dayushan VLCC Anchorage A | 22°15’30″N 113°49’00″E | 32 | 34.5 | Clay-Silt (80%<0.063mm) | 500,000 | 6 vessels (>300m LOA) | Crude oil transfer (SPM operations) | 1. Static bonding <10Ω before hoses connection 2. 24hr AIS must remain ON 3. Anchor watch hourly log required |
USD 3,800/day + USD 150/env fee Bunkering surcharge: 25% |
18 kN/m² (SHELF7 report 2023) | Max 2.8m (MHWS) |
| Dayushan CAPESIZE Anchorage B | 22°14’00″N 113°52’30″E | 28 | 28.0 | Sandy Mud (LL=45%) | 250,000 | 8 vessels | Iron ore transshipment | 1. Ore transfer prohibited at >15m/s wind 2. Mandatory stockpile spray system |
USD 2,250/day Ore sampling fee: USD 500/test |
12 kN/m² | Max 2.5m |
| Guishan General Cargo Anchorage C1 | 22°08’45″N 113°47’15″E | 18 | 20.0 | Soft Mud (LL=75%) | 100,000 | 12 vessels | Pre-berthing & repairs | 1. Minimum scope 6:1 2. Fishing nets prohibited within 500m |
USD 1,850/day Overtime fee: 50% after 1700LT |
8 kN/m² | Max 2.2m |
| Guishan DG Anchorage D2 | 22°06’30″N 113°45’00″E | 9.5 | 22.5 | Stiff Clay (CU=50kPa) | 80,000 | 4 vessels | IMDG Class 3-6 | 1. Gas-free certificate required 2. No hot work permitted 3. Compatibility matrix compliance |
USD 4,750/day Emerg response fee: USD 10,000 standby |
50 kN/m² | Max 2.1m |
| Lingdingyang Emergency Anchorage | 22°33’00″N 113°39’00″E | 7.2 | 25.0 | Gravel-Sand (25%>2mm) | 150,000 | 3 vessels | Distress situations | 1. MSA clearance code 072 required 2. No bunkering/cargo ops allowed |
Free first 24hr After: USD 2,800/hr |
35 kN/m² | Max 2.4m |
| Shajiao Coastal Anchorage S1 | 22°42’15″N 113°36’45″E | 14 | 12.5 | Silt (PI=25) | 50,000 | 15 vessels | Feeder services | 1. Max stay 48hr 2. Must keep 1km from LNG carriers |
USD 875/day Barge hire: USD 350/move |
9 kN/m² | Max 2.6m |
| Humen Estuary Anchorage H3 | 22°49’40″N 113°40’20″E | 6.8 | 9.8 | Sand-Mix (DR=65%) | 30,000 | 10 vessels | Inland transshipment | 1. Ballast exchange prohibited 2. Max draft 7.5m |
USD 650/day Towage package: USD 1,200 |
28 kN/m² | Max 3.1m |
| Nansha Quarantine Anchorage Q1 | 22°44’50″N 113°33’10″E | 3.5 | 15.0 | Silty Clay (WL=40%) | 200,000 | 2 vessels | Health inspections | 1. Medical waste must be incinerated 2. Gangway net required |
First 12hr free After: USD 1,300/hr |
15 kN/m² | Max 2.3m |
Supplemental Data
| Parameter | Value | Standard |
|---|---|---|
| Chart Datum | 2.15m below MSL (PRD Local) | GB 12327-2022 |
| Anchor Weight Requirement | HHP anchors for >100k DWT | IACS UR A1 |
| Drag Criteria | Max 0.5 cable length in 10min | OCIMF 2018 |
| Emergency Towing | Pre-rigged on VLCCs | MSA 2023 Circular 45 |
Restricted Zones
| Zone | Coordinates (Radius) | Restrictions |
|---|---|---|
| NS-7 Military | 22°18’N 113°55’E (5nm) | No anchoring/radio silence |
| OGP-4 Pipeline | 22°12’N 113°51’E (1km) | Anchor prohibition zone |
