| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Misumi West Anchorage | 32°37’30″N 130°26’00″E | 0.8 | 15-20 | Mud/Sand | 50,000 | 3 vessels | General cargo/awaiting berth | Exposed to NW winds; avoid during typhoon season (June-November) | No bunkering services available |
| Misumi East Anchorage | 32°37’00″N 130°27’30″E | 1.2 | 12-18 | Clay | 30,000 | 5 vessels | Coastal vessels/emergency | Strong currents during spring tides (max 3 knots) | Limited provisions available (24h notice required) |
| North Emergency Anchorage | 32°38’15″N 130°25’45″E | 0.5 | 10-15 | Rocky | 20,000 | 2 vessels | Emergency only | Poor holding ground; use with caution | No services available |
Additional Information:
- All coordinates referenced to WGS84 datum (JGD2011 compatible)
- Anchorage holding power ratings by Japan Coast Guard 2022 survey:
- West Anchorage: Good (80% holding success in force 8 winds)
- East Anchorage: Fair (60% holding success)
- North Anchorage: Poor (emergency use only)
- Pilotage compulsory for vessels >10,000 DWT (24h notice required)
- 24-hour VHF monitoring on Ch.16 (Port Control) and Ch.12 (working channel)
- Typhoon warning system: JMA alerts broadcast on VHF Ch.22 (updated every 3 hours)
- Nearest medical facilities:
- Kumamoto City Medical Center (45 min by road)
- Port clinic (basic first aid only)
- Tidal range: 2.5m (spring) to 1.2m (neap)
- Anchorage inspection conducted quarterly by Kumamoto Port Authority
Safety Advisory:
- Anchor watch mandatory due to:
- Occasional fishing net entanglement
- Potential drift during strong northerly winds
- Current charts should be consulted for:
- Submarine cable areas (marked on JCG Chart 128B)
- Dredged channel boundaries
- Navigation restrictions:
- No night navigation restrictions except during visibility <1nm
- Daylight movement only for vessels >40,000 DWT
- Emergency contacts:
- Port Control: VHF Ch.16/12
- Japan Coast Guard Kumamoto: +81-96-xxx-xxxx (official number available in Notices to Mariners)
Commercial Services:
- Fresh water supply:
- By barge (24h notice required)
- Max capacity 200 tons/day
- Waste disposal:
- Garbage reception at main wharf (fees apply)
- No oily waste facilities (nearest at Hakata Port)
- Provisions:
- Limited fresh provisions available (48h notice for large orders)
- No bonded stores
- Repair services:
- No ship repair facilities
- Emergency welding available (port contractor)
