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

Akomisaki Lighthouse

Fl W 10s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Akomisaki Lighthouse

This octagonal concrete tower stands 30 meters tall and is painted red. Located in Seto Naikai Eastern, it emits a white flash every 10 seconds. The focal height reaches 84 meters, providing a geographic range of 20 nautical miles. The structure is a red beacon positioned on piles. It operates in synchronization with K2300.

Light & Optic

Characteristic Signature
Fl W 10s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
10s
Raw Code
Fl.W. period 10s
Focal Height
84m
Light Range
20NM (37.0 km)
Geographic Range
20NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.7300°
Longitude
134.4091°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
30m
Tower Shape
octagonal
Tower Color
red
Material
concrete

Structure: Red beacon, on pile; 30. Synchronized with K2300. F.R. 33 10 5

References & Identifiers

Admiralty No.
M5755.6
NGA No.
7800
Live tracking · 50,000+ mariners

Find Akomisaki 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 Akomisaki Lighthouse be seen?+
With a focal height of 84 meters and a nominal range of 20 nautical miles (approximately 37.0 km), Akomisaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Akomisaki Lighthouse at night?+
Akomisaki displays the characteristic Fl W 10s — 1 white flash every 10 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 Akomisaki Lighthouse guide vessels into?+
Akomisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Akoh at 0.4 NM to the W. Other ports served include Aioi (4.8 NM NE), Hinase (6.6 NM W), Hirohata (10.3 NM ENE), Kugui (10.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Akomisaki Lighthouse still active and maintained?+
Yes, Akomisaki 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 Akomisaki Lighthouse?+
Akomisaki 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 Akomisaki Lighthouse?+
You can track vessels near Akomisaki 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.