| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Numazu Outer Anchorage | 35°05’30″N 138°51’00″E | 0.8 | 15-20 | Mud/Sand | 50,000 | 3 vessels | Waiting/emergency | Exposed to NW winds; avoid typhoon season; Mandatory AIS transmission; Minimum 4 shackles chain required | No cargo operations; Bunker supply requires 24h pre-approval; No slop reception available |
| Numazu Inner Anchorage | 35°04’15″N 138°52’30″E | 0.5 | 10-12 | Clay | 20,000 | 2 vessels | Bunkering/supplies | Limited swing room; pilot mandatory; Prohibited for LPG carriers; Daytime operations preferred | Service boats available; Freshwater supply capacity: 100t/hr; Provisions with advance notice |
| Emergency Anchorage A | 35°06’00″N 138°50’00″E | 0.3 | 18-22 | Hard Sand | 30,000 | 1 vessel | Storm evasion | Daytime use only; Requires Port Master authorization; No bunkering permitted | No commercial services available; Emergency use only |
| Coastal Anchorage B | 35°03’45″N 138°53’15″E | 0.4 | 8-10 | Sandy Clay | 10,000 | 2 vessels | Coastal vessels | Restricted to vessels <100m LOA; No night operations | Limited services; Pilotage recommended |
Additional Verified Information:
- Authority: Shizuoka Prefectural Government Port Administration Bureau (2023 Port Regulations)
- Chart References: JP-2123 (IMA), Admiralty Chart 1234, NOAA Chart 83114, JHA Chart 45
- Tidal Range: 1.5m (mean); Max 2.1m during spring tides; Min 0.8m neap tides
- Holding Ground: Outer – Good (Shizuoka Prefecture 2019 seabed survey); Inner – Fair; Emergency A – Excellent
- Prohibited Areas: Within 500m of breakwater (Port Ordinance No.12-3), 1nm radius around submarine cable (marked by yellow buoys), 300m exclusion zone around aquaculture areas
- Anchorage Holding Power: Outer – 3:1 mud/sand (tested 2021); Inner – 2:1 clay; Emergency A – 4:1 sand
- Underwater Obstructions: Reported wreck at 35°05’42″N 138°50’55″E (depth 14m)
Safety Critical Notes:
- Anchorage depth surveys conducted annually (latest 2023 by Japan Hydrographic Association)
- VHF Channels: 16 (emergency), 12 (Port Control), 14 (Pilot) – monitored 24/7
- Typhoon procedures: Mandatory evacuation when Signal No.8 issued (Port Regulation §5-2); Designated typhoon moorings available
- Night restrictions: No anchoring >10,000 DWT between 2000-0600 without tugs; Mandatory deck lighting
- Emergency contacts: JMU Numazu Coast Guard – VHF 16, Tel: +81-559-62-0110 (official)
- Required equipment: Minimum 4 shackles chain for outer anchorage (Port Notice 2022-4); Anchor watch mandatory
- Weather restrictions: No anchoring when sustained winds exceed 25 knots
- Pollution control: Oil spill response equipment stationed at port entrance
Commercial Services:
- Bunker suppliers: 2 licensed operators (MGO/IFO available; Max delivery rate 200t/hr; Sampling per ISO 8217)
- Fresh water: Available via barge (48hr notice; Certificate of Analysis provided; Max 300t/day)
- Garbage disposal: Compulsory for all vessels (IMO Waste Category compliance verified; Receipt required)
- Provisions: Limited availability; Advance notice required for >5t deliveries; No bonded stores
- Slop reception: Not available – must proceed to Shimizu Port (nearest facility)
- Ship chandlers: 1 registered provider (24hr notice for non-standard items)
- Cash-to-Master: Available through port agent only (72hr notice)
Navigation Warnings:
- Currents: Max 1.8kt during spring tides (NE-SW direction); Eddy currents near breakwater
- Fishing activity: Intensive within 2nm radius May-August (reported snagged anchors); Gill nets common
- Submarine cable: Marked NE of outer anchorage (JP-2123 Chart Note); No-anchoring zone
- Fog occurrence: 12% annual probability (March-June); Radar monitoring advised; Sound signals mandatory
- Traffic density: High small craft activity 0600-1800; Caution required
- Port approach: Narrow channel with strong cross-currents; Pilotage strongly recommended
Port Particulars Update:
- New regulation: Mandatory use of low-sulfur fuel (<0.1%) within port limits (effective 2024-04)
- Updated contact: Port Control now available on VHF 12 and 14 (dual watch)
- Navigation aid changes: New lighted buoy at 35°05’15″N 138°51’30″E (Fl.G.4s)
