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Sembilangan Lighthouse

Fl 10s🇮🇩Java and Madura, IDOperational

Location & Light Range

About Sembilangan Lighthouse

Constructed in 1882, Sembilangan Lighthouse is a white, round concrete tower standing 53 meters above sea level. Its light exhibits three white flashes every 10 seconds, visible for 20 nautical miles. The structure is topped with an x-shaped mark, and it also transmits a RACON M signal. This lighthouse has been operational since its initial lighting in 1882.

Light & Optic

Characteristic Signature
Fl 10s
Flash Type
Flashing
Flash Count
1 flash
Interval
10s
Raw Code
Fl.(3)W. period 10s
Focal Height
53m
Geographic Range
20NM

Construction & History

Year Built
1882

References & Identifiers

Admiralty No.
Q1158.2
NGA No.
23624
OpenStreetMap
View on OSM →

Tower & Structure

Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower, x- shaped topmark. RACON M(– –)

Location

City
Java and Madura
Country
🇮🇩ID
Latitude
-7.0603°
Longitude
112.6747°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sembilangan Lighthouse at night?+
Sembilangan displays the characteristic Fl 10s — 1 flash every 10 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 Sembilangan Lighthouse guide vessels into?+
Sembilangan Lighthouse assists vessels approaching 5 nearby ports. The closest is Gresik, Java at 6.4 NM to the S. Other ports served include Surabaya (9.3 NM SSE), LAMONGAN (19.4 NM NW), Madura Terminal (20.7 NM NE), Paciran (23.4 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sembilangan Lighthouse still active and maintained?+
Yes, Sembilangan 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.
How can I track vessels near Sembilangan Lighthouse?+
You can track vessels near Sembilangan 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.