Yokosuka (JPYOS)

Yokosuka is a specified port, the greater part of which is used by as a US naval base and by the Japanese Maritime Self Defence Force. Major cargoes handled are vehicles, rice, grain, gravel and sand. There is also a passenger berth for cruise vessels. Most of the yards and repair quays in Nagaura are privately operated, but there are US Navy drydocks and quays owned by the Port Authority. The Nissan factory in Oppama is approx 4km to the N of the Naval Port, with Sumitomo shipyard nearby, and Kurihama is approx 8km SE of the main port.

Summer.

Yokosuka is situated in the S of Tokyo Bay, in Kanagawa Prefecture.

Max draught 10.0m, 15,000DWT.

Approx 9,900,000t of cargo, 16,000 vessels handled annually.

Quarantine anchorage: A quarantine anchorage is situated in No 4 Area on the NE side of North East Breakwater. The quarantine station is situated at Nagaura, 2nm SW of the anchorage. Vessels carrying dangerous cargoes also anchor in No 4 Area. A submarine pipeline is laid between a position 0.65nm SW of North East Breakwater light tower and the shore SW.

Yokosuka Harbor is entered through Yokosuka Bay in the southwestern part of Tokyo Bay . To the East, the Harbour area is bounded by part of the Miura Peninsula , which is the site of United State Fleet Activities Yokosuka , and on the west by the island of Azuma Shima, which separates Yokosuka Harbour from Nagaura Harbour, the commercial port area which is also used by Japanese Maritime Self Defence Force. Nagaura Harbour is entered form the South West part of Yokosuka Bay. A small, narrow channel separates Azuma Hanto from the mainland at its South West. Draught limitation in the channel: Passage, 12.0m-15.0m; anchorage, 15.0m-36.0m.

BA 1203, 3108, 3548, 3878, JP1083 ,JP1081 & JP91, Admiralty Pilot NP42A, NP286(6).

1025.

Naguara Pier: Arriving commercial vessels, if berthing alongside head out, may pass the breakwater entrance until 30 minutes before sunset. If berthing alongside head in, the vessel may pass the breakwater entrance until sunset. Departing vessels, if berthed alongside head out, may leave the quay until 2200hrs. If berthed alongside head in, the vessel may leave the quay until 30 minutes before sunset Mooring Buoys: ..... Berth No/name Capacity (DWT) Buoy C4 14,000 Buoys N2, N5, N6 3,000 each Buoys N 9, N10, N11, N12 800 each Buoys N14, N16 3,000

Compulsory for vessels over 300GT. Pilot boards in the following positions: ..... 1. 35°10.5'N 139°46.7'E (2.2nm S of Uraga Suido Centre Lightbuoy) 2. Yokosuka Ko 35°18.9'N 139°42.3'E 3. Kurihama Ko 35°13.4'N 139°44.1'E Pilotage is provided by the Yokosuka District Pilot Association.

The harbour limits of the port and the areas into which it is divided include: ..... No 4 Area Outer approaches to Yokosuka No 3 Area Inner approaches to Yokosuka No 2 Area Nagaura No 1 Area The dock yard of Yokosuka Kurihama Wan, Uraga Ko and Otsu Wan are also included within the harbour limits of Yokosuka Ko and lie, respectively, in Nos 7, 6 and 5 Areas.

Yokosuka Ko No 1 Lightbuoy marks the NE side of a 14.6m patch 0.9nm NE of Katsuriki Saki. A light tower stands at the SE end of the North East Breakwater. East Breakwater with a light tower at its N end, lies in a NNW/SSE direction close N of the W end of North East Breakwater. A light is exhibited from the head of a breakwater 0.35nm E of Heisei Ko.

..... Kurihama: Arriving: The vessel may pass inner breakwater from sunrise to sunset. Leaving: The vessel may leave quay from sunrise to 2200hrs. If berthed alongside "Head in" at No 2 Pier, until 30 minutes before sunset. Shinko Wharf: Arriving: The vessel may pass Yokosuka Ko Lightbuoy No 1 from sunrise to midnight. Leaving: The vessel may leave quay from sunrise to midnight. Shinko Pier: Arriving: The vessel may pass Yokosuka Ko Lightbuoy No 1 from sunrise until 30 minutes before sunset. Leaving: The vessel may leave quay from sunrise until 30 minutes before sunset. Oppama: Berthing alongside normally "Head in". Arriving: The vessel may pass Yokosuka Ko NE Breakwater (E) Light from sunrise to midnight. Leaving The vessel may leave quay from sunrise to midnight. Nagaura: Arriving: If berthing alongside "Head in", the vessel may pass Yokosuka Ko NE Breakwater (E) light from sunrise to sunset. If berthing alongside "Head out", from sunrise until 30 minutes before sunset. Leaving: If berthed alongside "Head out", the vessel may leave quay from sunrise to 2200hrs. If berthed alongside "Head in", from sunrise until 30 minutes before sunset.

Range max 1.70m; min 0.30m.Tidal currents: Currents in Tokyo Bay are generated by the rise and fall of the tides. The current in the interior of the bay is weak, mostly 0.5kt or less, and as it approaches the entrance of the bay, it accelerates, attaining a speed of 1.3-1.8kts in the area between Kannonzaki and Futtsuzaki. The direction of the current in the interior of the bay is generally N to NE at rising tide and S to SW at ebb tide, while at the entrance to the bay, it is mostly in a NW'ly direction a duration of rise and the SE'ly at duration of fall. Within the areas of Districts 3-5 (Nagaura and Heisei Districts), though there are some seasonal variations, it is generally very slight, never exceeding 0.5kt. The current within District 3 (Nagaura and Heisei Districts), rotates in a clockwise direction, with the exception of the eastern entrance. The current along the shore of the Yasuura District is more influenced by the seashore and seabed features than offshore and the current flows principally along the coastline. Though the velocity of the current differs according to location, at those locations that are faster, it attains a speed of about 0.2kt. The current flow towards the port in district 6 (Uraga District) is extremely slight, never exceeding 0.3kt, even at flood tides. The current in the vicinity of the entrance to the port is also weak and is readily influenced by wind conditions; the direction is variable but flood current generally flows in the N direction and ebb current flows in the S direction. In regard to currents in District 7 (Kurihama District) in the port, and to the waters between Ashika Island at the port entrance and outer breakwater, flood current flows in a NNE direction, while ebb current flows in a SSW direction. Their velocities are approximately 1.5kts and 1.3kts respectively.

The Traffic Advisory Service is operated by Tokyo Wan, Honshu.

Ten tugs available.

Prevailing winds: W'ly. The wind direction throughout the year is principally from the N to the ENE, and for wind velocities of 20kts or more, winds from the N to the ENE are also common. By season, winds from the N to the NE are prevalent during the spring, autumn and winter, while those of the summer are prevalently from the S to the SW.

YOKOSUKA, HONSHU 35°18.23'N 139°40.45'E UNCTAD LOCODE: JP YOS For details see: TOKYO WAN PILOT REQUIREMENTS GENERAL DIAGRAM TOKYO WAN PILOTAGE GENERAL DIAGRAM TOKYO WAN TRAFFIC ADVISORY SERVICE (TAS) ________________________________________________________________________________ ___________

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WEEKLY CORRECTIONS FROM UKHO NtM WEEK 10/23 Japan Coast Guard Publication 301/21 & Supplement 1/21, (RSDRA2022000061889 & RSDRA2022000048995), 10/23

..... Port: VHF: Ch 16, 11,12, 14, 18, 20, 22. Callsign: "Yokosuka Port Radio" Tel: +81 468 613419 Port Authority: Tel: +81 468 224000, Fax: +81 468 227795. Email: pg-ph@city.yokosuka.kanagawa.jp Website: www.city.yokosuka.kanagawa.jp/e/port_e.htm Tugs: VHF: Ch 16. Pilot: Tel: +81 468 356211, +81 468 617783. Fax: +81 468 352621. Website: http://www.baypilot.co.jp Traffic Advisory Service: VHF: Ch 16, 13,14, 22. Callsign: "Tokyo MARTIS" (24 hours) RT Frequency (kHz): 2189-5. Tel: +81 46 8438622, +81 46 8438623, +81 46 8438624. Fax: +81 46 8444720. Website: http://www6.kaiho.mlit.go.jp/tokyowan Japanese Coast Guard: Tel: +81 468 620118, Fax: +81 468 618369. Website: http://www.kaiho.mlit.go.jp/03kanku/yokosuka All vessels should maintain a Continuous Listening Watch on VHF Ch 16.

..... Port Authority: 1. Application for use of facility 2. Declaration Inward/Outward of vessel Customs: 1. Ports of Call List (Voyage Memo) 2. Cargo Manifest for Discharging and Through Cargo 3. Declaration of Crew's Baggage 4. Passenger List 5. Crew List 6. List of Ship's Stores 7. Ship's Register 8. Last Port Clearance 9. Declaration of Payment of Tonnage Dues and Special Tonnage Dues 10. Application for permission of: a. Traffic through place other than designated b. Traffic through place designated c. Traffic between vessel or aircraft coming and/or going between Japan and any foreign country and coasting vessel, etc. 11. Application for Approval on Loading and/or Unloading of Goods before Cargo Manifest is submitted 12. Declaration Inward/Outward of vessel 13. Arrival Notice 14. International Tonnage Certificate 15. Application for permission of Loading and/or Unloading of Goods outside office hours. Immigration: 1. Crew List 2. Passenger List 3. Application for Crew Member's Landing Permit for issuance of Crew Landing Pass, Crew Replacement and Repatriation. 4. Application for Emergency Landing Permit in case of hospitalisation of crew members. 5. Passport or Seaman's Identity Book 6. Declaration Inward/Outward of vessel. Quarantine: 1. Notification for prior Quarantine Procedures 2. Radio Pratique Message from the vessel 3. Delivery papers for Radio Pratique Message 4. Maritime Declaration of Health 5. Crew List 6. Passenger List 7. Ports of Call List (Voyage Memo) 8. Notification for after Quarantine Acceptance. Plant Protection Station: Application for Plant Importation Inspection. Animal Quarantine: Importation Inspection not available. Maritime Safety Agency: ..... 1. Declaration Inward/Outward of vessel 2. Application for Permission of Movement in the Port 3. Application for Loading, Transferring and Unloading of Explosives and Combustibles. 4. Application for Transportation of Explosives and Combustibles.

See Country information.

See Country information for radio pratique. Free Pratique: Free pratique is available at the quarantine anchorage. Radio Pratique and Sanitary Inspections are both available.