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Gresik Lighthouse

Fl White 5s🇮🇩IDOperational

Location & Light Range

About Gresik Lighthouse

Gresik Lighthouse is a square skeletal tower constructed of steel, standing 27 meters tall with a focal height of 30 meters. Located in East Java, Indonesia, it is situated on a pier approximately 2.7 kilometers from the nearest port of Gresik. The light emits a single white flash every 5 seconds and has a geographic range of 15.3 nautical miles. The tower marks a significant right-angle turn within the Madura Strait, a key waterway for maritime traffic in the region. Access to the tower and its site is restricted.

Why it matters: This lighthouse is essential for guiding ships through a sharp turn in the Madura Strait near Gresik, helping to avoid groundings and collisions in this busy channel.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
30m
Geographic Range
15.3NM

Location

Country
🇮🇩Indonesia
Region
East Java
Sea Region
Madura Strait, Gresik, Indonesia, marking a right angle turn in the strait
Latitude
-7.1755°
Longitude
112.6763°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
27m
Tower Shape
square
Material
steel

Structure: square skeletal tower

References & Identifiers

Nearest Port
Gresik(2.7 km)
Admiralty No.
Q1159.95.
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Frequently Asked Questions

How do mariners identify Gresik Lighthouse at night?+
Gresik displays the characteristic Fl White 5s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Gresik Lighthouse guide vessels into?+
Gresik Lighthouse assists vessels approaching 5 nearby ports. The closest is Gresik, Java at 1 NM to the NW. Other ports served include Surabaya (3.3 NM SE), LAMONGAN (24.3 NM NW), Madura Terminal (25.5 NM NE), Paciran (27.6 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gresik Lighthouse still active and maintained?+
Yes, Gresik 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 Gresik Lighthouse?+
You can track vessels near Gresik 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.