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Helen Mar Reef Lighthouse

Fl W 6s🇸🇬Riau Islands, SGOperational

Location & Light Range

About Helen Mar Reef Lighthouse

Helen Mar Reef Lighthouse is a maritime navigation aid located in Riau Islands, SG. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 16 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 6s. This means the light produces 1 flash every 6 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Helen Mar Reef Lighthouse is positioned at 1.1239°N, 103.7751°E, near Riau Islands in SG.

Geographic context: Helen Mar Reef Lighthouse is situated on the South China Sea, within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. The location falls within the equatorial climate zone with warm waters year-round.

Nearby lighthouses in SG: Other lighthouses in the region include Batu Berhanti, Bedok, Berlayer Point, Fort Canning, Pulau Nipah. View all on the Lighthouses Directory.

Nearby Ports

Pulau Sebarok

SGSEB

4.8 NMNNE

Pulau Bukom

SGPUB

6.6 NMN

Pulau Sambu, Riau

IDPSS

7.6 NMENE

Batam

IDBTH

7.8 NMESE

Singapore

SGSIN

8.2 NMN

Flash Characteristics

Characteristic Signature
Fl W 6s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
6s

Physical Specifications

Focal Height
16m
Light Range
Not available
Status
ACTIVE
City
Riau Islands
Country
🇸🇬SG
Latitude
1.1239°
Longitude
103.7751°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Helen Mar Reef Lighthouse at night?+
Helen Mar Reef displays the characteristic Fl W 6s — 1 white flash every 6 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 Helen Mar Reef Lighthouse guide vessels into?+
Helen Mar Reef Lighthouse assists vessels approaching 5 nearby ports. The closest is Pulau Sebarok at 4.8 NM to the NNE. Other ports served include Pulau Bukom (6.6 NM N), Pulau Sambu, Riau (7.6 NM ENE), Batam (7.8 NM ESE), Singapore (8.2 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Helen Mar Reef Lighthouse still active and maintained?+
Yes, Helen Mar Reef 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 Helen Mar Reef Lighthouse?+
Helen Mar Reef 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 Helen Mar Reef Lighthouse?+
You can track vessels near Helen Mar Reef 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.