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Agunishima Lighthouse

Occ W 4s🇯🇵Nansei Shoto, JPOperational

Agunishima Lighthouse is a maritime navigation aid located in Nansei Shoto, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 108 meters above mean sea level. Under standard atmospheric conditions, the light is visible up to 12 nautical miles (approximately 22.2 km) from the observer.

Light characteristic: The identifying signal of this lighthouse is Occ W 4s. This means the light produces 1 flash every 4 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Visibility and range: With a focal height of 108 meters and a nominal range of 12 nautical miles, this light serves as a significant coastal navigation aid. Vessels transiting along the coast or approaching from moderate distances can use this light for position fixing and course confirmation.

Position: Agunishima Lighthouse is positioned at 26.5772°N, 127.2122°E, near Nansei Shoto in JP. The blue circle on the map represents the nominal 12-nautical-mile range of the light.

Geographic context: Agunishima Lighthouse is situated on the East China Sea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Characteristic Signature
Occ W 4s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
4s
Focal Height
108m
Light Range
12NM (22.2 km)
Status
ACTIVE
City
Nansei Shoto
Country
🇯🇵JP
Latitude
26.5772°
Longitude
127.2122°
Flag
Type
Name
Dist.
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How far offshore can Agunishima Lighthouse be seen?+
With a focal height of 108 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Agunishima 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 Agunishima Lighthouse at night?+
Agunishima displays the characteristic Occ W 4s — 1 white flash every 4 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 Agunishima Lighthouse guide vessels into?+
Agunishima Lighthouse assists vessels approaching 5 nearby ports. The closest is Zamami at 21.7 NM to the SSE. Other ports served include Tokashiki (24.2 NM SSE), Kanegusuku (28.5 NM WSW), Naha, Okinawa (32.3 NM SE), Ginowan (33.3 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Agunishima Lighthouse still active and maintained?+
Yes, Agunishima 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.
How can I track vessels near Agunishima Lighthouse?+
You can track vessels near Agunishima 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.