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

Oishihana Lighthouse

Fl W 5s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Oishihana Lighthouse

This lighthouse features a triangular latticed concrete tower painted white with a red stripe. A red trapezium daymark is also present on the structure. The tower measures 20 meters in height, with the light positioned 118 meters above sea level. It displays a single white flash every 5 seconds and has a geographic range of 12 nautical miles. The lighthouse is operational.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
118m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.2674°
Longitude
134.9497°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
triangular
Tower Color
white and red
Material
concrete

Structure: Triangular latticed tower, red trapezium daymark, white stripe; 20

References & Identifiers

Admiralty No.
M5814.6
NGA No.
7516
Live tracking · 50,000+ mariners

Find Oishihana 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 far offshore can Oishihana Lighthouse be seen?+
With a focal height of 118 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Oishihana is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Oishihana Lighthouse at night?+
Oishihana displays the characteristic Fl W 5s — 1 white flash every 5 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 Oishihana Lighthouse guide vessels into?+
Oishihana Lighthouse assists vessels approaching 5 nearby ports. The closest is Fuke at 9.7 NM to the ENE. Other ports served include Kainan (10 NM ESE), Wakayama (10 NM ESE), Tsushi (12.2 NM NW), Tannowa (12.5 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oishihana Lighthouse still active and maintained?+
Yes, Oishihana 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 Oishihana Lighthouse?+
Oishihana 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 Oishihana Lighthouse?+
You can track vessels near Oishihana 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.