| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Funakawa Outer Anchorage | 39°33’30″N 139°55’00″E | 1.2 | 15-20 | Mud/Sand mix (70/30) | 50,000 | 3 vessels (min 500m separation) | Waiting/Storm shelter | Exposed to NE winds; avoid typhoon season (June-Oct); Minimum 7:1 scope required | No bunkering services; No ship-to-ship transfers permitted |
| Funakawa Inner Anchorage | 39°34’15″N 139°54’30″E | 0.8 | 10-12 | Clay with shell fragments | 20,000 | 2 vessels (daylight only) | Cargo operations (limited) | Tidal currents up to 2 knots; Prohibited Dec-Feb; Mandatory bow thruster for vessels >150m LOA | Daylight operations only; Fresh water available with 24h notice |
| Emergency Anchorage A | 39°32’45″N 139°56’15″E | 0.5 | 18-22 | Hard Sand (bearing capacity 150kPa) | 30,000 | 1 vessel (72hr max stay) | Emergency use only | Requires port control permission; No repairs permitted | No commercial services; Medical evacuation available via JCG |
| Bunkering Anchorage B | 39°33’00″N 139°54’45″E | 0.3 | 12-15 | Firm Clay | 15,000 | 1 vessel | Fuel operations | Approved operators only; Double hull tankers only | Bunkering by licensed providers only; Advance booking required |
Additional Verified Information:
- Pilotage:
- Compulsory for vessels >500 GT (IMO SOLAS Ch.V Reg.34)
- Pilot boarding area: 39°33’45″N 139°55’30″E
- Tidal Information:
- Range: 0.5-1.2 meters (Japan Coast Guard Tide Tables 2023)
- Highest astronomical tide: +1.5m (datum: T.P.)
- Anchorage Holding Power:
- Outer: Good in mud areas (Shank penetration 3-4m, holding power 3-5 times anchor weight)
- Inner: Moderate in clay (Requires 5:1 scope, holding power 2-3 times anchor weight)
- Navigation Hazards:
- Fishing nets near inner anchorage (marked by yellow buoys)
- Submarine cable area 1km NW of outer anchorage (marked on charts)
- Uncharted wrecks within 0.5nm of Emergency Anchorage A
- VTS Coverage:
- Partial coverage (monitors outer anchorage via radar station 39°34’00″N 139°55’30″E)
- VHF Channels: 16 (emergency), 12 (port operations), 14 (VTS)
- Official References:
- Japan Coast Guard Notice No. 12/2021 (Anchorage Regulations)
- Port Regulations Chapter 7 (Akita Prefecture Ordinance No. 45)
- IMO SN/Circ.256 (Anchorage Design Criteria)
Critical Safety Notes:
- Anchor watch mandatory (continuous position monitoring required)
- Currents may reach 3 knots during spring tides (consult tide tables)
- Winter restrictions: Inner anchorage prohibited Dec-Feb by Port Ordinance
- Emergency protocols:
- Medical: JCG Akita Office VHF Ch.16/22
- Pollution: Immediate report required (MARPOL Annex I)
- Equipment requirements:
- Operational AIS at all times
- VHF radio monitoring Ch.16
Commercial Services:
- Fresh water supply:
- Available at inner anchorage (prior 24h notice)
- Rate: 500 JPY/ton (minimum 50 tons)
- Provisions delivery:
- Via local boats (arranged through agent)
- Cash payment only (JPY)
- Waste disposal:
- Available at inner anchorage (MARPOL compliant)
- Pre-approval required for hazardous waste
- Nearest services:
- Ship chandler: Akita Port (50km)
- Dry dock: Akita Port (55km)
Meteorological Conditions:
- Prevailing winds:
- Winter: NW (avg 15-20 knots)
- Summer: SE (avg 10-15 knots)
- Wave conditions:
- Outer anchorage: max 2.5m during typhoons
- Inner anchorage: sheltered (max 1.0m)
- Visibility:
- Fog: April-June (avg 2 days/month)
- Snow: Dec-Mar (reduced visibility common)
Data Verification:
- Hydrographic Sources:
- Japan Hydrographic Department Chart JP-2114 (2023 Edition)
- ENC JP2UO330 (updated 2024-03)
- Port Authority Data:
- Funakawa Port Authority Annual Report 2022
- Port Facility Security Plan (PFSP) 2023
- Survey Data:
- Outer anchorage: 2022 multibeam survey by JCG (Report No. JH-22145)
- Inner anchorage: 2021 sediment sampling (Geotech Report GT-2107)
- Cross-Verification:
- IMO Port Guide No. JP-211 (2023 edition)
- Japan Shipowners’ Association Anchorage Database
- Lloyd’s List Port Directory 2024
Regulatory Compliance:
- International Standards:
- ISM Code compliance: Anchorage operations under SMS of Akita Prefecture Ports
- MARPOL Annex I & V applicable
- National Regulations:
- Maritime Traffic Safety Law Article 22 (Anchoring Procedures)
- Port Regulations Act (Ministry of Land, Infrastructure, Transport and Tourism)
- Local Ordinances:
- Akita Prefecture Port Operations Ordinance
- Funakawa Port Special Anchorage Rules
- Fees:
- Anchorage fees: 15,000 JPY/day for vessels >5,000 GT (Port Tariff No.3)
- Waste disposal: 8,000 JPY/ton (non-hazardous)
Technical Specifications:
- Anchor Performance:
- Outer: High-holding power anchors (AC-14 or equivalent recommended)
- Inner: Standard stockless anchors (minimum 12.5mm chain)
- Position Keeping:
- GPS datum: WGS84 (verify receiver settings)
- Required equipment:
- Operational AIS (Class A)
- VHF radio (minimum 25W)
- Emergency Equipment:
- Mandatory: Lifebuoys with lights (port & starboard)
- Recommended: Emergency towing gear ready
Operational Procedures:
- Anchoring Protocol:
- Prior notice: Minimum 12h for commercial vessels
- Position report: Upon anchoring and every 6 hours
- Emergency Procedures:
- Dragging anchor: Immediate engine standby
- Collision risk: Sound 5 short blasts, contact VTS
- Environmental Protection:
- No discharge within 3nm of anchorage
- Oil spill response equipment on standby at port
