| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Jintang North Anchorage | 30°03’N, 121°49’E | 12.5 | 20-25 | Mud/Sand | 300,000 | 15 vessels | VLCC/LNG carriers | Tidal currents up to 4 knots; avoid SW monsoons | Bunkering services available |
| Liuheng Temporary Anchorage | 29°45’N, 122°05’E | 8.2 | 15-18 | Clay | 100,000 | 10 vessels | General cargo/repairs | Restricted during typhoons (≥Signal No. 8) | Ship chandlers on call |
| Zhoushan Outer Port Anchorage | 29°58’N, 122°15’E | 22.3 | 30-40 | Rock/Sand | 400,000 | 20 vessels | Ultra-large ore carriers | Requires prior AIS activation | 24/7 pilotage services |
| Shenjiamen Fishing Anchorage | 29°36’N, 122°04’E | 5.6 | 10-12 | Mud | 50,000 | 30 fishing vessels | Fishing fleet | Commercial ships prohibited | Local fishery patrols monitor |
| Dongji Emergency Anchorage | 30°12’N, 122°30’E | 3.8 | 18-22 | Sand | 200,000 | 5 vessels | Emergency shelter | No bunkering allowed | Medical evacuation support |
| Ma’ao Bunker Anchorage | 29°52’N, 122°08’E | 6.7 | 22-25 | Mud/Shell | 150,000 | 12 vessels | Fuel oil supply | Strict no-smoking policy | Approved by China MSA for bonded bunkering |
| Shuangshan Quarantine Anchorage | 30°06’N, 122°12’E | 4.5 | 12-15 | Sand | 80,000 | 8 vessels | Health inspections | Mandatory radio declaration 24h prior | Customs clearance agents available |
| Xiushan Dangerous Cargo Anchorage | 30°10’N, 122°25’E | 7.8 | 18-20 | Clay | 120,000 | 6 vessels | Class 1 dangerous goods | 500m exclusion zone; tugs on standby | Requires special permit from Zhoushan MSA |
| Cezi TSS Waiting Area | 30°00’N, 122°00’E | 15.2 | 25-30 | Sand | 250,000 | 25 vessels | Traffic separation | Max stay 72 hours | Free anchorage (no service charges) |
Enhanced Critical Information:
- Navigation Warnings:
- Strong tidal streams (up to 6 knots) near Xiazhi Channel (29°55’N, 122°10’E)
- Submarine cables at 30°08’N, 122°18’E (no anchoring within 500m)
- Pilotage:
- Mandatory for vessels >10,000 GT; contact Zhoushan VTS on VHF CH 08
- Pilot boarding area: 29°59’N, 122°12’E (marked by light buoy ZS-1)
- Typhoon Preparedness:
- Anchorages may close 24 hrs before typhoon landfall (China Meteorological Authority alerts)
- Recommended typhoon moorings: Double anchor at 60° with 8:1 scope
- Prohibited Areas:
- Military zones near 30°05’N, 122°20’E (NO unauthorized entry)
- Marine protected areas within 3nm of Putuo Shan Island
- Environmental Rules:
- Zero discharge policy within 12 nm of Shengsi Islands
- MARPOL Annex VI enforced (ECA compliance required)
- New Regulations (2024):
- Vessels >50,000 DWT must submit ETA 72h in advance via e-Navigation system
- Mandatory use of low-sulfur fuel (<0.5%) within port limits
- Emergency Contacts:
- Zhoushan MRCC (official VHF CH 16; phone: +86 580 12395 – verified)
- Port State Control: +86 580 202 8123 (24/7 inspection requests)
Operational Notes:
- Anchoring Procedures:
- Submit anchorage request via VHF CH 16 at least 2h before arrival
- Maintain continuous AIS transmission during anchorage
- Safety Management:
- Conduct hourly anchor position checks during tides >3m
- Emergency towage available through Zhoushan Tug Co. (VHF CH 71)
- Commercial Services:
- Bunkering: 6 licensed suppliers (list available from Zhoushan MSA)
- Provisions: Pre-arranged delivery required to quarantine anchorages
