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Morong Lighthouse

Fl White 15s🇮🇩IDOperational

Location & Light Range

About Morong Lighthouse

The Morong Lighthouse is a square, tapered skeletal tower with a lantern and gallery, painted white. Standing 25 meters tall, its focal plane is also at 25 meters above sea level. This lighthouse emits a white flash every 15 seconds, visible for 14.3 nautical miles. It is situated at the entrance to an estuary on the eastern side of Pulau Rupat, an island in the Strait of Malacca. Its location is 3.8 kilometers from Dumai, Sumatra, the nearest port.

Why it matters: This lighthouse marks the entrance to an estuary on Pulau Rupat's eastern side, warning vessels of sandbars and shallows common to such environments.

Light & Optic

Characteristic Signature
Fl White 15s
Flash Type
Flashing
Light Color
White
Interval
15s
Raw Code
Fl W 15s
Focal Height
25m
Geographic Range
14.3NM

Location

Country
🇮🇩ID
Latitude
1.7053°
Longitude
101.5210°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
25m
Tower Shape
square
Tower Color
white

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

References & Identifiers

Nearest Port
Dumai, Sumatra(3.8 km)
ARLHS No.
IDO-171
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Frequently Asked Questions

How do mariners identify Morong Lighthouse at night?+
Morong displays the characteristic Fl White 15s. 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 Morong Lighthouse guide vessels into?+
Morong Lighthouse assists vessels approaching 4 nearby ports. The closest is Dumai, Sumatra at 4.9 NM to the WSW. Other ports served include Sungai Pakning, Sumatra (43.9 NM ESE), Sungai Udang (47 NM NE), Sungai Udang Port (48.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Morong Lighthouse still active and maintained?+
Yes, Morong 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 Morong Lighthouse?+
Morong Lighthouse is located within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Morong Lighthouse?+
You can track vessels near Morong 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.