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

Okitsu Lighthouse

Fl (2) W 15s🇯🇵Kōchi (Southern Shikoku), JPOperational

Location & Light Range

About Okitsu Lighthouse

Okitsu Lighthouse is a 30-meter tall, square concrete tower painted white with a red top. It emits a white flash every 10 seconds. The focal height of the light is 187 meters above sea level. This structure provides a geographic range of 20 nautical miles. The lighthouse is located in Kōchi, on the southern coast of Shikoku.

Light & Optic

Characteristic Signature
Fl (2) W 15s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
15s
Raw Code
Fl.W. period 10s
Focal Height
187m
Geographic Range
20NM

Location

City
Kōchi (Southern Shikoku)
Country
🇯🇵JP
Latitude
33.1549°
Longitude
133.2190°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
30m
Tower Shape
square
Tower Color
white and red
Material
concrete

Structure: White square tower, red top; 30

References & Identifiers

Admiralty No.
M5598
NGA No.
10224
Live tracking · 50,000+ mariners

Find Okitsu Lighthouse on the live nautical map

Plan voyages near JP, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Okitsu Lighthouse at night?+
Okitsu displays the characteristic Fl (2) W 15s — 2 white flashes every 15 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area.
Which ports and harbors does Okitsu Lighthouse guide vessels into?+
Okitsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Saga at 7.2 NM to the SW. Other ports served include Kaminokae (7.5 NM N), Susaki (14.8 NM NNE), Usa/Tosa (20.8 NM NNE), Tosashimizu (26.2 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Okitsu Lighthouse still active and maintained?+
Yes, Okitsu Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Okitsu Lighthouse?+
Okitsu Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Okitsu Lighthouse?+
You can track vessels near Okitsu Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.