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Karimun Lighthouse

Fl White 4s🇮🇩Jepara, IDOperational

Location & Light Range

About Karimun Lighthouse

Also known as: Karimun (Pelabuhan Karimunjawa)

This steel square skeletal tower with a gallery stands 15 meters high and is painted white. It is situated on the quay, directly marking the entrance to Karimun port. The focal height of the light is 18 meters, and it emits a single white flash every 4 seconds, visible for 12.7 nautical miles. The lighthouse is operational and its site is open to the public, though climbing the tower is not permitted. It is located near Jepara, in the Central Java region of Indonesia.

Why it matters: The lighthouse is essential for guiding vessels into and out of Karimun port, helping mariners identify the harbor entrance in a busy shipping lane.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
18m
Geographic Range
12.7NM

Location

City
Jepara
Country
🇮🇩Indonesia
Region
Central Java
Sea Region
Karimun port, near the southwestern tip of the largest island of the archipelago
Latitude
-5.8840°
Longitude
110.4400°

References & Identifiers

Nearest Port
Semarang(63.2 km)
Admiralty No.
Q1140.8.

Tower & Structure

Tower Height
15m
Tower Shape
square
Tower Color
white
Material
steel

Structure: square skeletal tower with gallery, painted white

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 Karimun Lighthouse at night?+
Karimun displays the characteristic Fl White 4s. 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 Karimun Lighthouse guide vessels into?+
Karimun Lighthouse assists vessels approaching 1 nearby port. The closest is Jepara at 44.3 NM to the SSE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Karimun Lighthouse still active and maintained?+
Yes, Karimun 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 Karimun Lighthouse?+
You can track vessels near Karimun 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.