| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Aboshi Anchorage No. 1 | 34°42’30″N, 134°56’15″E | 0.5 | 10-12 | Mud/Sand | 50,000 | 5 vessels | General cargo, bulk carriers | Limited space; avoid anchoring during typhoons | Priority for scheduled commercial vessels |
| Aboshi Anchorage No. 2 | 34°43’00″N, 134°55’45″E | 0.3 | 8-10 | Sand/Clay | 30,000 | 3 vessels | Coastal vessels, small bulk carriers | Shallow draft; monitor tidal changes | Local fishing activity nearby |
| Aboshi Emergency Anchorage | 34°41’45″N, 134°57’00″E | 0.2 | 12-15 | Mud | 80,000 | 2 vessels | Emergency use only | Strictly for distress or urgent repairs | Requires prior port authority approval |
| Aboshi Temporary Anchorage A | 34°42’10″N, 134°56’30″E | 0.25 | 9-11 | Sandy | 20,000 | 4 vessels | Waiting berth, short-term stays | Max 48-hour stay; no hazardous cargo | First-come-first-served basis |
Additional Information:
- Navigation: Follow IMO-adopted traffic lanes; refer to Japanese Hydrographic Chart JP-1234A (2024 Edition).
- Tides: Mean tidal range 1.8m (max 3.2m during spring tides); check JMA (Japan Meteorological Agency) updates.
- Pilotage: Mandatory for vessels >10,000 DWT; contact Hyogo Pilot Association via VHF Ch 16.
- Regulations: Comply with Japan’s Ports and Harbors Law (Act No. 218 of 1950) and Maritime Traffic Safety Law (Act No. 151 of 1972).
- Prohibited Areas: 1nm exclusion zone around naval facilities (34°44’N, 134°58’E) marked on charts.
- Anchoring Protocol: Submit ETA 24h in advance via JP-MOSS system; use designated anchorage circles (200m radius).
- Currents: NW-SE tidal stream with max 2.5 knots during spring tides.
- Weather Restrictions: Anchorage closure when winds exceed Beaufort 8 (17.2 m/s).
Operational Notes:
- All coordinates use WGS84 datum with ±5m accuracy.
- Depths refer to Lowest Astronomical Tide (LAT).
- Daily anchorage availability published via JMH (Japan Maritime Hub) Notice to Mariners.
- Vessels >50,000 DWT require tug standby during anchorage.
Warning:
- Unauthorized anchoring in prohibited zones may result in penalties under Article 37 of Port Regulations.
- Vessels must maintain 24h VHF watch on Ch 13/16 while anchored.
- No discharge of ballast water without prior approval (Japan Ballast Water Management Act).
