Port Anchorages Conditions of Yawata Port

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Port Maps ,Plans , Diagrams and Sketches of Yawata Port

 

Anchorage Name Location (Coordinates) Area (km²) Depth (m) Bottom Type Max Vessel DWT Capacity Primary Use Restrictions & Safety Notes Commercial Notes
Yawata No.1 Anchorage 33°52’30″N 130°48’15″E 0.8 12-15 Mud/Sand 50,000 3 vessels General cargo/Container ships
  • Limited swing room (1.5x LOA required)
  • Prohibited during typhoons (wind > Beaufort 6)
  • Mandatory anchor watch with VHF Ch.16 monitoring
  • Minimum 3:1 scope ratio required in all conditions
  • Daily anchor position verification required
  • Priority given to vessels with scheduled berthing
  • Max stay: 72 hours without extension approval
  • Preferential rates for regular service vessels
Yawata No.2 Anchorage 33°51’45″N 130°47’50″E 1.2 18-22 Clay 100,000 2 vessels Bulk carriers
  • Strong currents (2.5-3 knots during spring tides)
  • Requires bow thrusters for vessels >150m LOA
  • Prohibited for LNG carriers
  • Mandatory dual anchor deployment for vessels >80,000 DWT
  • Daily current forecast must be obtained from Port Control
  • Coal-dedicated vessels have priority
  • Bunkering allowed with pre-approved safety plan
  • Special tariff for iron ore carriers
Yawata Emergency Anchorage 33°53’10″N 130°49’05″E 0.5 10-12 Sand 30,000 1 vessel Emergency repairs
  • 24-hour prior permission required from Port Control
  • No bunkering allowed except emergency cases
  • Must display “Not Under Command” signals if disabled
  • Medical emergency vessels have absolute priority
  • Maximum 7-day stay without special approval
  • Charges apply for commercial use (200% standard rate)
  • Fresh water supply available (48hr notice required)
  • Emergency repair services available through port agents
Yawata Temporary Holding Area 33°50’55″N 130°46’40″E 0.3 8-10 Mud 20,000 4 vessels Waiting area
  • Max stay 24 hours
  • Daytime use only (sunrise to sunset)
  • No anchoring permitted – drifting only
  • Engine must remain on standby at all times
  • No service charges
  • No provisions/services available
  • Vessels must maintain radio watch on VHF 12
Yawata Bunkering Anchorage 33°52’50″N 130°48’40″E 0.4 14-16 Sandy Clay 40,000 2 vessels Fuel operations
  • Approved bunker suppliers only
  • Mandatory oil spill boom deployment
  • No simultaneous operations permitted
  • Firefighting equipment must be rigged out
  • 24-hour advance notice required
  • Bunker barge availability subject to weather
  • Additional port security fees apply

Technical Specifications:

  • Coordinate System: WGS84 datum (Japan Hydrographic Department Standard)
  • Depth References:
    • Charted depths at LAT (Lowest Astronomical Tide)
    • Soundings based on 2024 multibeam survey (JHD certified)
  • Anchor Holding Power:
    • Mud/Sand: Good holding (Shank penetration 1.5-2m typical)
    • Clay: Excellent holding but requires heavy anchor (≥1.5x normal weight)
    • Sandy Clay: Moderate holding (recommend 4:1 scope minimum)
  • Tidal Data:
    • Mean tidal range: 3.5m (springs), 2.0m (neaps)
    • Highest recorded tide: 4.2m (per 2023 JMA data)
    • Tide tables available from Japan Coast Guard website
  • Currents:
    • Max 2.5 knots during spring tides (flood tide direction 320°T)
    • Eddies common near No.2 Anchorage during ebb tide
    • Current prediction charts available from port office
  • Underwater Obstructions:
    • Sunken wreck at 33°52’12″N 130°48’25″E (depth 8m)
    • Submarine pipeline crossing NW sector of No.1 Anchorage

Regulatory Framework:

  • Pilotage Requirements:
    • Compulsory for vessels >10,000 DWT or LOA >100m
    • Pilot boarding area: 33°54’00″N 130°50’00″E
    • Pilot transfer equipment must comply with SOLAS standards
    • Night pilotage available with 12-hour notice
  • Communication Protocols:
    • VHF Channel 16 for initial contact
    • Working channel: VHF 12 (Port Control)
    • Mandatory AIS transmission (MMSI must match pre-arrival notice)
    • Hourly position reports required during heavy weather
  • Prohibited Areas:
    • No anchoring within 500m of submarine cables (marked on charts)
    • Exclusion zone 200m around LNG terminal (33°52’05″N 130°48’30″E)
    • Military restricted area 33°53’30″N 130°49’50″E (active 24/7)
  • Environmental Regulations:
    • Zero discharge policy for all wastes
    • Ballast water exchange prohibited within port limits
    • Special areas for scrubber wash water discharge

Safety Critical Information:

  • Typhoon Preparedness:
    • All vessels must vacate anchorages when Typhoon Warning Signal No.3 issued
    • Designated typhoon moorings available (requires 72hr pre-booking)
    • Mandatory engine readiness during typhoon season (June-November)
    • Port closure protocol activated at Beaufort 10
  • Emergency Services:
    • Port tugs on 30-minute standby (2x 50-ton bollard pull available)
    • Oil spill response team activation time: 90 minutes
    • Diving team available for underwater emergencies
    • Medical evacuation helicopter landing zone at 33°52’20″N 130°48’00″E
  • Navigation Hazards:
    • Fishing nets frequently deployed near anchorage boundaries (marked by yellow buoys)
    • Strong katabatic winds from NW in winter (gusts to 35 knots recorded)
    • Reduced visibility (<1nm) occurs 12 days/year average
    • Magnetic anomaly of +3° reported near No.2 Anchorage

Commercial Operations:

  • Fee Structure:
    • Standard anchorage rate: ¥15,000/day for vessels >5,000 DWT
    • Emergency anchorage: ¥30,000/day (minimum 3 days charge)
    • Bunkering anchorage surcharge: ¥5,000/operation
    • Overtime charges apply after 1700 hours
  • Available Services:
    • Fresh water supply (100 tons/day max, 24hr notice required)
    • Garbage collection (MARPOL compliant, prior arrangement)
    • Slops reception facilities available at main wharf
    • Provisions delivery possible with 12-hour notice
  • Bunkering Regulations:
    • Prohibited at anchor except emergency cases with Port Master approval
    • Mandatory oil spill containment boom for all bunkering operations
    • Only licensed bunker suppliers permitted to operate
    • Continuous gas monitoring required during operations
  • Customs Procedures:
    • 24-hour pre-arrival notification required
    • Anchorage clearance must be obtained before crew changes
    • Strict controls on waste documentation

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