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Nabeshima Lighthouse

F RG 16s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Nabeshima Lighthouse

The Nabeshima Lighthouse is an operational aid to navigation. Its focal height reaches 29 meters above sea level. The light emits a fixed red and green signal. This characteristic repeats on a 16-second cycle, offering distinct red and green indications.

Light & Optic

Characteristic Signature
F RG 16s
Flash Type
Fixed
Light Color
RG
Flash Count
1 flash
Interval
16s
Raw Code
F.R.G. period 16s
Focal Height
29m
Light Range
11NM (20.4 km)

References & Identifiers

Admiralty No.
M5533
NGA No.
8216
Wikidata
Q11650660 →

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.3824°
Longitude
133.8233°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Nabeshima Lighthouse be seen?+
With a focal height of 29 meters and a nominal range of 11 nautical miles (approximately 20.4 km), Nabeshima 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 Nabeshima Lighthouse at night?+
Nabeshima displays the characteristic F RG 16s — 1 rg flash every 16 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. The rg color may indicate a specific sector or warning zone.
Which ports and harbors does Nabeshima Lighthouse guide vessels into?+
Nabeshima Lighthouse assists vessels approaching 5 nearby ports. The closest is Sakaide at 3.2 NM to the SE. Other ports served include Utazu (3.2 NM SSE), Shimotsui (3.5 NM NNW), Aoki (5.3 NM SSW), Ikunohama (5.3 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nabeshima Lighthouse still active and maintained?+
Yes, Nabeshima 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 Nabeshima Lighthouse?+
Nabeshima 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 Nabeshima Lighthouse?+
You can track vessels near Nabeshima 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.