| Anchorage Name | Location (WGS84) | Area (km²) | Depth (mCD) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes | Holding Power | Turning Basin | VTS Sector |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No.1 Anchorage (Main Holding) |
23°48’30″N 120°10’15″E |
5.2 | 25-30 | Clay with sand (Shear strength 50kPa) |
300,000 | 6 vessels (500m spacing) |
Crude oil tankers VLCCs |
• 72h prior notice required • Max current: 3 knots (flood), 2.8 knots (ebb) • Prohibited during typhoons (Signal #8+) • Mandatory AIS/LRIT transmission • Daily position reports 0800LT |
• Bunkering allowed (FPCC certified) • STS transfers permitted (OCIMF guidelines) • Port fees: $1,200/day + $0.05/GT • Fresh water: $25/m³ |
Good (3:1 scope) Tested to 50kn winds |
1,200m diameter Clearance 150% LOA |
VTS Sector 1 Ch 12/16 |
| No.2 Anchorage (Product Holding) |
23°47’45″N 120°09’30″E |
3.8 | 20-25 (±0.5m tidal) |
Sandy mud (CPT 15 blows/ft) |
150,000 | 8 vessels (400m spacing) |
Product tankers Chemical carriers |
• Daylight operations only (0700-1900) • No LPG transfers (except Berth 42) • Min distance: 500m from pipelines • Firefighting standby required • Prohibited cargoes: Class 1, 2.1, 6.2 |
• Bunkering with approval (24h notice) • Port fees: $900/day + $0.04/GT • Fresh water supply: 50m³/hr • Slop reception available |
Fair (4:1 scope) Tested to 40kn winds |
800m diameter Clearance 120% LOA |
VTS Sector 2 Ch 13/16 |
| No.3 Anchorage (General Cargo) |
23°46’15″N 120°11’00″E |
4.5 | 18-22 (±0.8m tidal) |
Mud with shells (N-value 8-12) |
80,000 | 10 vessels (300m spacing) |
Bulk carriers General cargo |
• No hazardous materials (IMDG Class 3-9) • Max wind: Beaufort 6 (13m/s) • Anchor watch required (continuous) • No hot work permitted • Mandatory SOPEP equipment |
• Port fees: $700/day flat rate • No commercial operations • 48h max stay (extendable) • Provisions delivery: $200 service fee |
Good (3:1 scope) Tested to 45kn winds |
600m diameter Clearance 110% LOA |
VTS Sector 3 Ch 14/16 |
| No.4 Anchorage (Container) |
23°45’30″N 120°12’15″E |
3.2 | 15-18 (±1.0m tidal) |
Hard sand (SPT 20-25) |
60,000 | 5 vessels (350m spacing) |
Container ships Feeder vessels |
• No anchoring in SW monsoon (May-Sep) • Tugs on standby ($500/hr) • Max stay 24h (non-extendable) • Mandatory fenders if alongside • No reefers without shore power |
• Port fees: $800/day + $0.03/GT • Emergency repairs only • No cargo operations • Crew changes permitted |
Poor (5:1 scope) Tested to 35kn winds |
500m diameter Clearance 100% LOA |
VTS Sector 4 Ch 15/16 |
| Emergency Anchorage (E-1) |
23°44’00″N 120°08’45″E |
2.0 | 30-35 (±0.3m tidal) |
Firm clay (Shear strength 75kPa) |
200,000 | 1 vessel (exclusive use) |
Distressed vessels Medical cases |
• Port control clearance required • 24/7 monitoring by VTS • No commercial use • Medical evacuation priority • Tugs mandatory for disabled vessels |
• No charges for genuine emergencies • Medical support available ($300/hr) • Tug assistance ($1,500 first 3h) • Pollution response standby |
Excellent (2:1 scope) Tested to 60kn winds |
1,000m diameter Clearance 200% LOA |
VTS Sector E Ch 16 only |
| LPG Anchorage (Special Hazard) |
23°49’15″N 120°07’30″E |
2.8 | 22-25 (±0.4m tidal) |
Sandy clay (CPT 18 blows/ft) |
50,000 | 2 vessels (600m spacing) |
LPG carriers Chemical tankers |
• SIGTTO compliance required • Gas detection (LEL<10%) • 500m exclusion zone • No ignition sources within 1km • Static bonding mandatory |
• Port fees: $1,500/day + $0.08/GT • Special handlers ($500/operation) • Night ops prohibited • Emergency medic on standby |
Good (3:1 scope) Tested to 45kn winds |
700m diameter Clearance 150% LOA |
VTS Sector L Ch 11/16 |
| Quarantine Anchorage (Q-1) |
23°45’00″N 120°10’00″E |
1.5 | 15-20 (±0.6m tidal) |
Mud (N-value 5-8) |
100,000 | 3 vessels (400m spacing) |
Health inspections Crew changes |
• Medical clearance required • No shore contact • 24h max duration • Waste retention mandatory • Telemedicine hookup available |
• Free for first 6h • $200/hr thereafter • Doctor visit: $350 • PCR testing: $120/person |
Fair (4:1 scope) Tested to 40kn winds |
400m diameter Clearance 120% LOA |
VTS Sector Q Ch 09/16 |
| Waiting Anchorage (W-1) |
23°43’30″N 120°13’00″E |
3.0 | 12-15 (±1.2m tidal) |
Soft mud (SPT 5-8) |
30,000 | 12 vessels (250m spacing) |
Port entry queue Smaller vessels |
• Max stay 72h • No commercial activity • Standby engine required • No bunkering/provisions |
• No charges • No services available • ETA updates every 12h |
Poor (5:1 scope) Tested to 30kn winds |
300m diameter Clearance 100% LOA |
VTS Sector W Ch 08/16 |
Comprehensive Anchorage Regulations
CategoryRegulation DetailsReference StandardsAnchoring Procedures• Minimum 2 anchors required for vessels >50,000 DWT
• Position reporting every 2 hours to VTS (lat/long ±50m)
• Anchor lights and shapes per COLREGs Rules 29-31
• Engine readiness: 30min notice for moving
• Chain length: Minimum 6:1 depth ratio• IMO Resolution A.1045(27)
• Taiwan Port Act Article 37
• OCIMF Anchor Handling GuideTidal Information• Mean tidal range: 2.1m (max 3.2m springs)
• Tidal currents: 3.5 knots max at springs
• Storm surge warning: +1.5m predicted
• Tide tables: Taiwan Hydrographic Office 2024
• Real-time monitoring: Port website updates• IHO S-44 Standard
• Admiralty Tide Tables NP204
• Port Tidal Benchmark No. TW-347Emergency Protocols• VTS contact: Channel 16/12 (24/7 English)
• Port Control: +886-5-681-3000 (emergency line)
• Medical Emergency: 119 (code “Maritime”)
• Oil Spill: Immediate report +886-5-681-3100
• Security: ISPS Code Level 1 maintained• SOLAS Chapter V
• MARPOL Annex I
• TW Port Security Directive 2024Environmental Compliance• No deballasting without approval (48h notice)
• Zero discharge policy (including gray water)
• Oil spill response equipment on standby
• Garbage reception: Port boat available
• Air emissions: SOx<0.1% in ECA zone• MARPOL 73/78 All Annexes
• Taiwan EPA Regulations
• Formosa Plastics Green Port PolicyNavigation Warnings• Submarine pipelines (marked on charts)
• Fishing nets prohibited within 1nm
• Military exercise areas (NOTAM issued)
• Seabed obstructions in NW sector
• Underwater cables (500m exclusion)• Admiralty Chart TA-347
• Taiwan NOTAM System
• IMO SN.1/Circ.336Commercial Services• Bunker barges: 24h notice (min 100MT)
• Fresh water: 100m³/hr capacity ($25/m³)
• Provisions: $200 delivery fee + cost
• Crew changes: $150/person processing
• Slop reception: $50/m³ handling fee• BIMCO Standard Contracts
• OCIMF STS Guide
• TW Port Tariff 2024Technical Standards• Anchorage surveys: Annual multibeam
• Holding ground tests: CPT every 3 years
• Position monitoring: DGPS + AIS
• Weather updates: 3hr forecasts
• Seabed clearance: Minimum 2m under keel• IHO S-44 Survey Standards
• ISO 19901-7 Seabed
• OCIMF Hawser Guidelines
Key Definitions:
• mCD: meters Chart Datum (local hydrographic survey)
• CPT: Cone Penetration Test (kN/m²)
• SPT: Standard Penetration Test (blows/ft)
• LEL: Lower Explosive Limit (%)
• ECA: Emission Control Area
Safety Critical Notes:
1. All coordinates use WGS84 datum (verify GPS settings)
2. Anchoring prohibited within 500m of charted pipelines
3. Emergency tugs stationed at 23°47’00″N 120°09’30″E
4. Typhoon evacuation procedures activated at Signal #8
5. Night navigation restrictions apply to all anchorages




