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Nakase Lighthouse

Mo R 8s🇯🇵Seto Naikai Eastern - Kii Suido, JPOperational

Location & Light Range

About Nakase Lighthouse

The Nakase Lighthouse emits a red light, characterized by a single short flash followed by a long flash, repeating every 8 seconds. Its focal height reaches 11 meters above sea level. This lighthouse has a geographic range of 3 nautical miles. It is operational and located within the Seto Naikai Eastern region, specifically near Kii Suido.

Light & Optic

Characteristic Signature
Mo R 8s
Flash Type
Morse
Light Color
Red
Flash Count
1 flash
Interval
8s
Raw Code
Mo.(A)R. period 8s
Focal Height
11m
Light Range
3NM (5.6 km)
Geographic Range
3NM

References & Identifiers

Admiralty No.
M5552
NGA No.
7148

Location

City
Seto Naikai Eastern - Kii Suido
Country
🇯🇵JP
Latitude
34.1817°
Longitude
134.6257°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Nakase Lighthouse be seen?+
With a focal height of 11 meters and a nominal range of 3 nautical miles (approximately 5.6 km), Nakase is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Nakase Lighthouse at night?+
Nakase displays the characteristic Mo R 8s — 1 red flash every 8 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Nakase Lighthouse guide vessels into?+
Nakase Lighthouse assists vessels approaching 5 nearby ports. The closest is Naruto at 0.6 NM to the NW. Other ports served include Awazu (2.2 NM SSW), Imagire (4.4 NM SSW), Orino (7.5 NM WNW), Tokushima (8.2 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nakase Lighthouse still active and maintained?+
Yes, Nakase 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 Nakase Lighthouse?+
Nakase 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 Nakase Lighthouse?+
You can track vessels near Nakase 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.