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Arari Lighthouse

Iso W 6s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Arari Lighthouse

This lighthouse structure stands 13.2 meters tall, with its light positioned 13 meters above sea level. It first became operational in 1954. The Arari Lighthouse emits an isophase white light, meaning the duration of light and darkness is equal, completing a cycle every 6 seconds. This characteristic provides a consistent signal to mariners navigating the Honshu South Coast.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 6s
Focal Height
13m
Light Range
8NM (14.8 km)
Geographic Range
8NM

Construction & History

Year Built
1954

References & Identifiers

Admiralty No.
M6269
NGA No.
5604
Wikidata
Q126485565 →

Tower & Structure

Tower Height
13.2m

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
34.8284°
Longitude
138.7652°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Arari Lighthouse be seen?+
With a focal height of 13 meters and a nominal range of 8 nautical miles (approximately 14.8 km), Arari 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 Arari Lighthouse at night?+
Arari 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 Arari Lighthouse guide vessels into?+
Arari Lighthouse assists vessels approaching 5 nearby ports. The closest is Arari at 0.1 NM to the SSE. Other ports served include Tago (1.3 NM S), Ugusu (1.4 NM NNE), Matsuzaki (4.1 NM S), Toi (5.2 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Arari Lighthouse still active and maintained?+
Yes, Arari 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 Arari Lighthouse?+
Arari 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 Arari Lighthouse?+
You can track vessels near Arari 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.