| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Tokuyama Anchorage No. 1 | 33°57’30″N, 131°48’00″E | 0.8 | 15-20 | Mud/Sand | 50,000 | 5 vessels | General cargo, bulk carriers | – Limited shelter from northerly winds. – Avoid during typhoons (June-Nov). – Mandatory AIS transmission. |
Priority for vessels servicing Tokuyama Industrial Zone. Bunkering allowed with prior approval. |
| Tokuyama Anchorage No. 2 | 33°56’45″N, 131°47’15″E | 0.5 | 12-18 | Clay | 30,000 | 3 vessels | Coastal vessels, tankers | – Strong currents (up to 3 knots) during spring tides. – Night anchoring discouraged due to fishing traffic. – Prohibited for vessels carrying hazardous materials (Class 1-3). |
Short-term waiting or bunkering (max 48 hrs). Fees apply beyond 24 hrs. |
| Tokuyama Outer Anchorage | 33°58’10″N, 131°49’30″E | 1.2 | 20-25 | Sandy | 100,000 | 2 vessels | VLCCs, deep-draft vessels | – Exposed to open sea; not recommended in Beaufort 6+ conditions. – Requires 24-hour bridge watch. – Emergency towage arrangements mandatory for VLCCs. |
72-hour advance notice required. Priority for crude oil carriers. |
| Tokuyama Emergency Anchorage | 33°55’20″N, 131°45’40″E | 0.3 | 10-15 | Rock/Mud | 20,000 | 1 vessel | Emergency repairs/distress | – Strictly for emergencies (Port Control approval required). – No commercial operations permitted. – Limited holding ground; recommend 2 anchors. |
No charges for genuine emergencies. Medical evacuation support available. |
Supplemental Data:
1. Pilotage:
– Compulsory for vessels >10,000 DWT.
– Pilot boarding area: 33°56’00″N, 131°46’00″E (updated per Japan Coast Guard Notice 15/2023).
– Transfer prohibited in Beaufort 5+ conditions.
2. Navigation & Tides:
– Tidal range: 3.5m (spring), 2.0m (neap).
– Max current: 3.5 knots in narrows (flood tide).
– Chart references: Admiralty BA 2345 / JHA Chart 632A (2024 edition).
3. Regulations:
– Anchoring prohibited in submarine cable zones (Chart JP-4321).
– Mandatory:
– AIS active at all times.
– Daily position reports to Port Control (VHF Ch 12/16).
– Environmental: Zero discharge policy (MARPOL Annex V strictly enforced).
4. Emergency Protocols:
– Port Control: VHF Ch 16 (distress), Ch 12 (operations).
– Designated storm anchorage: 33°54’50″N, 131°44’30″E (depth 18m, mud bottom).
5. Commercial Services:
– Bunkering: Available at Anchorage No. 2 (pre-booking via agent required).
– Freshwater supply: Limited; prior arrangement needed.
