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Sagishima Lighthouse

Occ W 8s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Sagishima Lighthouse

This white tower, standing 21 meters tall, marks a location in Seto Naikai Eastern. Its focal height reaches 27 meters above sea level. The light emits an occulting white signal, repeating every 8 seconds. The structure is identified by the NGA list number 8480 and Admiralty number M5718.

Light & Optic

Characteristic Signature
Occ W 8s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Oc.W. period 8s
Focal Height
27m
Light Range
4NM (7.4 km)
Geographic Range
4NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.3599°
Longitude
133.1169°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
21m
Tower Color
white

Structure: White tower; 21. JAPAN-SETO NAIKAI-EASTERN PART (II) 93 (1)

References & Identifiers

Admiralty No.
M5718
NGA No.
8480
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Frequently Asked Questions

How far offshore can Sagishima Lighthouse be seen?+
With a focal height of 27 meters and a nominal range of 4 nautical miles (approximately 7.4 km), Sagishima 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 Sagishima Lighthouse at night?+
Sagishima displays the characteristic Occ W 8s — 1 white 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.
Which ports and harbors does Sagishima Lighthouse guide vessels into?+
Sagishima Lighthouse assists vessels approaching 5 nearby ports. The closest is Shigei at 1.6 NM to the ESE. Other ports served include Sunami (1.7 NM W), Itozaki (2.8 NM ENE), Nomi (2.8 NM ENE), Omi (2.8 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sagishima Lighthouse still active and maintained?+
Yes, Sagishima 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 Sagishima Lighthouse?+
Sagishima 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 Sagishima Lighthouse?+
You can track vessels near Sagishima 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.