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Pulau Panjang Lighthouse

Fl (3) White 20s🇮🇩Jepara, IDOperational

Location & Light Range

About Pulau Panjang Lighthouse

The Pulau Panjang Lighthouse stands on a small island 3 kilometers west of Jepara harbor. Constructed from steel, the square skeletal tower reaches a height of 19 meters, with the light positioned at 22 meters above sea level. It features a white tower with a red lantern and gallery. The light emits a white flash every 20 seconds, visible for 13.6 nautical miles. The lighthouse is part of a staffed coast guard station, and while the site is accessible, the tower is closed to the public.

Why it matters: This lighthouse is important for vessels approaching Jepara harbor, helping them navigate safely around Pulau Panjang island.

Light & Optic

Characteristic Signature
Fl (3) White 20s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
20s
Raw Code
Fl W 20s
Focal Height
22m
Geographic Range
13.6NM

Location

City
Jepara
Country
🇮🇩Indonesia
Region
Central Java
Sea Region
Pulau Panjang, a small island about 3 km west of Jepara harbor, located at the west end of the island.
Latitude
-6.5751°
Longitude
110.6257°

References & Identifiers

Nearest Port
Semarang(24.5 km)
Admiralty No.
Q1138
NGA No.
23584
ARLHS No.
IDO-356

Tower & Structure

Tower Height
19m
Tower Shape
square
Tower Color
white
Material
steel

Structure: square skeletal tower with lantern and gallery, painted white; lantern painted red

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Pulau Panjang Lighthouse at night?+
Pulau Panjang displays the characteristic Fl (3) White 20s — 3 white flashes every 20 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Pulau Panjang Lighthouse guide vessels into?+
Pulau Panjang Lighthouse assists vessels approaching 2 nearby ports. The closest is Jepara at 1.7 NM to the SE. Other ports served include Semarang (25.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Pulau Panjang Lighthouse still active and maintained?+
Yes, Pulau Panjang 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 Pulau Panjang Lighthouse?+
You can track vessels near Pulau Panjang 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.