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Cuddalore Lighthouse

Fl W 5s🇮🇳Tamil Nadu and Puducherry, INOperational

Location & Light Range

About Cuddalore Lighthouse

This white, round concrete tower stands 18 meters tall. Its light emits a white flash every 5 seconds. The structure is part of the INDIA-BAY OF BENGAL 463 (1) listing. The lighthouse is operational and provides a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
18m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Tamil Nadu and Puducherry
Country
🇮🇳IN
Latitude
11.7066°
Longitude
79.7759°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower. INDIA-BAY OF BENGAL 463 (1)

References & Identifiers

Admiralty No.
F0920
NGA No.
27120
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Frequently Asked Questions

How far offshore can Cuddalore Lighthouse be seen?+
With a focal height of 18 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Cuddalore is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Cuddalore Lighthouse at night?+
Cuddalore displays the characteristic Fl W 5s — 1 white flash every 5 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 Cuddalore Lighthouse guide vessels into?+
Cuddalore Lighthouse assists vessels approaching 2 nearby ports. The closest is Cuddalore at 4 NM to the S. Other ports served include Pondicherry (12.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cuddalore Lighthouse still active and maintained?+
Yes, Cuddalore 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 Cuddalore Lighthouse?+
You can track vessels near Cuddalore 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.