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Green Island Lighthouse

Fl W 10s🇭🇰Hong Kong, HKOperational

Location & Light Range

About Green Island Lighthouse

Constructed in 1875, Green Island Lighthouse stands 17.5 meters tall. Its light emits a single white flash every 10 seconds. With a focal height of 37 meters, the lighthouse offers a geographic range of 16 nautical miles. It is located in Hong Kong.

Why it matters: This lighthouse has been declared a monument.

Light & Optic

Characteristic Signature
Fl W 10s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
10s
Raw Code
Fl.W. period 10s
Focal Height
37m
Geographic Range
16NM

Construction & History

Year Built
1875
Heritage Status
declared monument

References & Identifiers

Admiralty No.
P3538
NGA No.
19460
Wikipedia
Read on Wikipedia →
Wikidata
Q15920165 →

Tower & Structure

Tower Height
17.5m

Location

City
Hong Kong
Country
🇭🇰HK
Latitude
22.2836°
Longitude
114.1110°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Green Island Lighthouse at night?+
Green Island displays the characteristic Fl W 10s — 1 white flash every 10 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 Green Island Lighthouse guide vessels into?+
Green Island Lighthouse assists vessels approaching 5 nearby ports. The closest is Aberdeen at 3 NM to the SE. Other ports served include Wan Chai (3.1 NM E), Kowloon (3.2 NM ENE), Tsim Sha Tsui (3.2 NM ENE), Yau Ma Tei (3.7 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Green Island Lighthouse still active and maintained?+
Yes, Green Island 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 Green Island Lighthouse?+
You can track vessels near Green Island 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.