Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Port of Yokosuka

JPYOS🇯🇵Japan

Port Location

About Port of Yokosuka

Also known as: Yokosuka-ko, Yokosuka-kō

Yokosuka Port is an important harbor situated on Tokyo Bay, south of Yokohama. It serves as a significant naval base and handles various cargo types. The port is equipped with tugs and a medium-sized drydock.

Background
The Port of Yokosuka lies to the south of the Port of Yokohama on Tokyo Bay. Under the Ports and Harbors Law of Japan it is classified as an Important Port. The city of Yokosuka administers the port.

Current Conditions

Loading current conditions…

Vessel Limits

Max Draft
10m
Channel Depth
14ft
Tidal Range
2ft
Elevation
1m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
Yes
Tug Assistance
Yes
Cranes
Floating
Drydock
M
Repair Code
C

History

Established
1865

Nearby Vessels

Flag
Type
Name
Dist.

Identification

UN/LOCODE
JPYOS
Country
🇯🇵Japan
Time Zone
UTC+9
Feature Type
HBR (Harbor)

Classification

Type
Port
Harbor Type
Coastal natural
Shelter
Good

Region

Subdivision
JP-14
Area
Japan Coast
Body of Water
Tokyo Bay
Latitude
35.2911°
Longitude
139.6885°

References & Identifiers

WPI No.
61400 →
GeoNames ID
1848309 →
Wikidata
Q7231304 →
Wikipedia
Read on Wikipedia →
Official Site
www.city.yokosuka.kanagawa.jp →
Live tracking · 50,000+ mariners

Track ships at the Port of Yokosuka in real time

Live AIS positions, arrivals, and departures at JPYOS — straight from your phone.

Live AIS positionsArrival alertsVoyage history
Get the App

Frequently Asked Questions

What are the draft restrictions at the Port of Yokosuka?+
The controlling depth at Yokosuka is 10 meters. Draft restrictions should be confirmed with the port authority before arrival, as silting, dredging operations, and tidal conditions can affect available depths. Pilotage is typically required for larger vessels.
How do I navigate the approach to the Port of Yokosuka?+
The approach to Yokosuka is supported by 5 navigation aids within 50 nautical miles. The nearest is Yokosuka Yoshikura West Breakwater Lighthouse at 0.2 NM to the SW. Other aids include Yokosuka Northeast Breakwater (1.8 NM NNW), Yokosuka East Breakwater North Head (2.6 NM NNW), Daini Kaiho (2.9 NM ENE), Dainikaiho (2.9 NM ENE). Mariners should consult the relevant chart and List of Lights for full approach details.
What major shipping routes pass near the Port of Yokosuka?+
The Port of Yokosuka is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This strategic position influences vessel traffic density, anchorage availability, and port scheduling.
How do I track vessels arriving at or departing from the Port of Yokosuka?+
You can track vessels near Yokosuka (JPYOS) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page or search for JPYOS on the live map.
What are the operating hours and time zone for the Port of Yokosuka?+
The Port of Yokosuka operates in the UTC+9 time zone. Operating hours, VTS schedules, and pilot availability vary — vessel agents should confirm with the port authority in advance, especially for night arrivals or weekend operations.