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Ko Samui Lighthouse

Fl White 12s🇹🇭THOperational

Also known as: Ko Samui (Laem Sui)

A square skeletal tower, painted white, stands 30 meters tall on Ko Samui. Its focal plane is situated 35 meters above sea level, emitting a white light. The characteristic of this light is one white flash every 12 seconds. This structure is located at the extremity of a sand spit, marking the northern approach to Surat Thani bay. Its geographic range extends to 16.2 nautical miles, assisting mariners in navigating the coastal waters of the Gulf of Thailand.

Why it matters: This lighthouse warns vessels of a sand spit hazard at the northern entrance to Surat Thani bay, a busy hub for trade and tourism. Its distinct flash pattern aids safe passage for ships entering and exiting this significant port.

Characteristic Signature
Fl White 12s
Flash Type
Flashing
Light Color
White
Interval
12s
Raw Code
Fl W 12s
Focal Height
35m
Geographic Range
16.2NM
Country
🇹🇭TH
Latitude
9.3908°
Longitude
99.3111°
Flag
Type
Name
Dist.
Tower Height
30m
Tower Shape
square
Tower Color
white

Structure: square skeletal tower, painted white

Nearest Port
Surat thani(13.9 km)
Admiralty No.
F2918
NGA No.
20848
ARLHS No.
THA-050
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How do mariners identify Ko Samui Lighthouse at night?+
Ko Samui displays the characteristic Fl White 12s. 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 color may indicate a specific sector or warning zone.
Which ports and harbors does Ko Samui Lighthouse guide vessels into?+
Ko Samui Lighthouse assists vessels approaching 5 nearby ports. The closest is Ban Don at 12.9 NM to the SSE. Other ports served include Surat Thani (14 NM S), Khanom (34 NM ESE), Nakhon Si Thammarat (34.2 NM ESE), Lang Suan (34.9 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Samui Lighthouse still active and maintained?+
Yes, Ko Samui 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 Ko Samui Lighthouse?+
You can track vessels near Ko Samui 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.