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Ryukyu-kannonsaki Lighthouse

Iso W 6s🇯🇵Nansei Shoto, JPInactive

Ryukyu-kannonsaki Lighthouse is a maritime navigation aid located in Nansei Shoto, JP. It is currently listed as inactive and may no longer emit a light signal. The light sits at a focal height of 20 meters above mean sea level. Under standard atmospheric conditions, the light is visible up to 8 nautical miles (approximately 14.8 km) from the observer.

Light characteristic: The identifying signal of this lighthouse is Iso W 6s. This means the light produces 1 flash every 6 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 20 meters and a nominal range of 8 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: Ryukyu-kannonsaki Lighthouse is positioned at 24.3653°N, 124.1119°E, near Nansei Shoto in JP. The blue circle on the map represents the nominal 8-nautical-mile range of the light.

Geographic context: Ryukyu-kannonsaki 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
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Focal Height
20m
Light Range
8NM (14.8 km)
Status
INACTIVE
City
Nansei Shoto
Country
🇯🇵JP
Latitude
24.3653°
Longitude
124.1119°
Flag
Type
Name
Dist.
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How far offshore can Ryukyu-kannonsaki Lighthouse be seen?+
With a focal height of 20 meters and a nominal range of 8 nautical miles (approximately 14.8 km), Ryukyu-kannonsaki 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 Ryukyu-kannonsaki Lighthouse at night?+
Ryukyu-kannonsaki displays the characteristic Iso W 6s — 1 white flash every 6 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 Ryukyu-kannonsaki Lighthouse guide vessels into?+
Ryukyu-kannonsaki Lighthouse assists vessels approaching 4 nearby ports. The closest is Ishigaki at 2.9 NM to the ESE. Other ports served include Kohama (7.3 NM WSW), Funaura (16.6 NM W), Hatoma (19.8 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ryukyu-kannonsaki Lighthouse still active and maintained?+
Ryukyu-kannonsaki Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Ryukyu-kannonsaki Lighthouse?+
You can track vessels near Ryukyu-kannonsaki 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.