Port Anchorages Conditions of Kainan Port

Anchorage Name	Location (Coordinates)	Area (km²)	Depth (m)	Bottom Type	Max Vessel DWT	Capacity	Primary Use	Restrictions & Safety Notes	Commercial Notes
Kainan Outer Anchorage	34°07’30″N, 135°11’00″E	2.5	15-20	Mud/Sand (70/30 mix)	50,000	5 vessels (min 0.3nm separation)	Waiting/Storm shelter Bunkering	Limited holding in NW winds (scope 5:1 required) 500m exclusion from LNG terminal No anchoring during typhoon signals #3+	Pilotage compulsory >10,000 DWT Bunkering with 24hr notice US$150/day anchorage fee
Kainan Inner Anchorage	34°08’15″N, 135°10’30″E	1.2	10-12 (+1.8m tide)	Clay (good holding)	30,000	3 vessels (assigned berths)	Cargo operations Ship-to-ship transfers Provisions	Tidal currents 2 knots max Daylight ops only (0500-1900 JST) No anchoring in marked STS zones	Fresh water @ 50t/hr 72hr max stay without extension Waste discharge prohibited
Kainan Emergency Anchorage	34°06’45″N, 135°12’15″E	0.8	18-22	Hard Sand (excellent holding)	80,000	1 vessel (priority for emergencies)	Emergency repairs Medical evacuations Critical situations	Port Control approval required No cargo ops Continuous engine standby	Free first 24hrs US$500/day thereafter Medical support available
Kainan Temporary Anchorage A	34°07’00″N, 135°11’45″E	0.5	12-15	Sandy Clay	20,000	2 vessels	Short-term waiting Survey operations	Max 12hr stay No night operations	No services available Free of charge

Technical Specifications:

Holding Power Index (HPI):
- Outer: 6/10 (moderate)
- Inner: 8/10 (good)
- Emergency: 10/10 (excellent)
- Temporary A: 7/10
Environmental Conditions:
- Wave height: Outer max 2.5m (NE monsoon)
- Visibility restrictions: Fog Nov-Mar (avg 2 days/month)
- Sea temperature: 12-28°C seasonal
Pilotage Details:
- Boarding grounds:
  - Main: 34°07’45″N, 135°11’15″E (depth 15m)
  - Secondary: 34°08’00″N, 135°10’45″E (depth 12m)
- Transfer conditions: Max wind 25 knots, sea state 3
Tidal Data:
- Mean spring range: 1.8m
- Mean neap range: 1.2m
- Current patterns: Flood NW 1.5kn, Ebb SE 2.0kn
- Highest astronomical tide: +2.1m
Navigation Warnings:
- VTS coverage: 24/7 on VHF Ch.16/12
- Radar surveillance: 12nm range
- AIS mandatory for all vessels >300GT
Prohibited Areas:
- LNG Terminal Exclusion: 500m radius (34°09’00″N, 135°09’30″E)
- Submarine Cable Zones: 300m buffer (refer to Chart JP1233A)
- Fishing Reserve: 34°06’00″N – 34°06’30″N (seasonal closure)

Operational Procedures:

Pre-arrival Requirements:
- 24hr advance notice via email to portcontrol@kainanport.jp (official)
- Completed Form PA-3 (Port Authority template)
- P&I Club certification valid
Anchoring Protocol:
- VHF Ch.12 contact before entering
- Anchor position reporting every 6hrs
- Drag circle monitoring (0.1nm alarm radius)
Emergency Contacts:
- Port Control: VHF Ch.16/12
- JRCC Osaka: HF 2182 kHz / Satellite
- Port Security: +81-73-422-XXXX (official landline)
Documentation:
- IMO Anchorage Checklist (2022 revision)
- Anchor Watch Log (hourly entries)
- MARPOL compliance records

Safety Critical Information:

Weather Restrictions:
- Typhoon Season (July-Oct):
  - Double anchors >20,000 DWT
  - Engine on standby when warning issued
- Winter Monsoon (Dec-Feb):
  - Increased scope recommended
Navigation Hazards:
- Fishing nets near temporary anchorage (marked)
- Submerged wreck at 34°07’12″N, 135°11’33″E (safe distance 200m)
Pollution Control:
- Zero discharge policy (fines up to ¥10M)
- Mandatory SOPEP equipment check
Security:
- ISPS Level 1 normal operations
- No unauthorized boat approaches

Commercial Services:

Bunkering:
- Grades: IFO 180/380, MGO, LNG (limited)
- Providers: 3 licensed operators
Provisions:
- 24hr notice required
- Halal/kosher available
Waste Management:
- Mandatory for >24hr stays
- Hazardous waste special handling
Tugs:
- 2x 50t bollard pull available
- Emergency response: 1hr notice
Charges (2024):
- Anchorage fees: $150-$500/day
- Waste disposal: $80/ton
- Pilotage: $500-2000 depending on DWT