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Grier Channel Range Front Lighthouse

Oc White, Green 4s🇹🇹Port of Spain, TTOperational

Location & Light Range

About Grier Channel Range Front Lighthouse

A square skeletal steel tower painted in a red and white checkered pattern stands 35 meters tall. It features a gallery and reaches a focal height of 41 meters. This structure guides vessels with a white occulting light that flashes once every 4 seconds, along with a fixed green light. Its geographic range extends to 17.2 nautical miles. Located on the waterfront of Port-of-Spain's modern harbor, it is situated just 0.8 kilometers from the nearest port.

Why it matters: As the front range light for the Grier Channel, this tower provides essential alignment guidance for commercial and cargo vessels navigating Trinidad's primary port, ensuring safety in a high-traffic area.

Light & Optic

Characteristic Signature
Oc White, Green 4s
Flash Type
Occulting
Light Color
White, Green
Interval
4s
Raw Code
Oc W 4s; F G
Focal Height
41m
Geographic Range
17.2NM

Location

City
Port of Spain
Country
🇹🇹Trinidad and Tobago
Sea Region
Waterfront of Port-of-Spain's modern harbor
Latitude
10.6545°
Longitude
-61.5214°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
35m
Tower Shape
square
Tower Color
in a red and white checkered pattern
Material
steel

Structure: square skeletal tower with gallery

References & Identifiers

Nearest Port
Port of Spain(0.8 km)
Admiralty No.
J5884.24
NGA No.
16190
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Frequently Asked Questions

How do mariners identify Grier Channel Range Front Lighthouse at night?+
Grier Channel Range Front displays the characteristic Oc White, Green 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, green color may indicate a specific sector or warning zone.
Which ports and harbors does Grier Channel Range Front Lighthouse guide vessels into?+
Grier Channel Range Front Lighthouse assists vessels approaching 5 nearby ports. The closest is Port-of-Spain at 0.4 NM to the SSE. Other ports served include Tembladora (3.9 NM WNW), Carenage (5.1 NM WNW), Chaguaramas (7.3 NM W), Freeport (13.7 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Grier Channel Range Front Lighthouse still active and maintained?+
Yes, Grier Channel Range Front 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 Grier Channel Range Front Lighthouse?+
You can track vessels near Grier Channel Range Front 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.