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Chennai Harbour Outer Arm Spur Lighthouse

Fl Red 5s🇮🇳Chennai, INOperational

Location & Light Range

About Chennai Harbour Outer Arm Spur Lighthouse

This red, cylindrical stone tower stands 49 meters tall near Chennai Harbour. It features a lantern and gallery, with its light positioned 10 meters above the water. The structure is round and fluted, built from stone. The operational light emits a single red flash every 5 seconds, visible for 10.4 nautical miles. The site is open to visitors, but the tower itself is closed to the public. It is located on an inner spur of the main breakwater within Chennai Harbour.

Why it matters: This light marks an inner spur of the main breakwater, guiding vessels safely into and out of Chennai Harbour, a major port on India's eastern coast.

Light & Optic

Characteristic Signature
Fl Red 5s
Flash Type
Flashing
Light Color
Red
Interval
5s
Raw Code
Fl R 5s
Focal Height
10m
Geographic Range
10.4NM

Location

City
Chennai
Country
🇮🇳India
Region
Tamil Nadu
Sea Region
Chennai Harbour, on an inner spur of the main breakwater
Latitude
13.0876°
Longitude
80.2886°

References & Identifiers

Nearest Port
Chennai (ex Madras)(2.1 km)
Admiralty No.
F0940
NGA No.
27076
ARLHS No.
IND-027

Tower & Structure

Tower Height
49m
Tower Shape
cylindrical
Tower Color
red
Material
stone

Structure: round fluted stone tower with lantern and gallery

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 Chennai Harbour Outer Arm Spur Lighthouse at night?+
Chennai Harbour Outer Arm Spur displays the characteristic Fl Red 5s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Chennai Harbour Outer Arm Spur Lighthouse guide vessels into?+
Chennai Harbour Outer Arm Spur Lighthouse assists vessels approaching 5 nearby ports. The closest is Chennai (ex Madras) at 1.3 NM to the NNE. Other ports served include Ennore (11 NM NNE), Kattupalli (13.6 NM NNE), Kattupalli Port (13.9 NM NNE), Attur (29.1 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Chennai Harbour Outer Arm Spur Lighthouse still active and maintained?+
Yes, Chennai Harbour Outer Arm Spur 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 Chennai Harbour Outer Arm Spur Lighthouse?+
You can track vessels near Chennai Harbour Outer Arm Spur 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.