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Northern Saikai Offshore Lighthouses Lighthouse

Fl White 3s🇯🇵Saikai, JPOperational

Location & Light Range

About Northern Saikai Offshore Lighthouses Lighthouse

This cylindrical concrete tower, painted white, stands 8.5 meters tall on a reef in the Nagasaki Prefecture. Its light is situated 24 meters above sea level and emits a white flash every 3 seconds. The lighthouse occupies a reef in the channel situated between Ōshima and the Nishisonogi Peninsula. The nearest port, Oshima, Nagasaki, is 2.3 kilometers away. The structure is a round white concrete tower rising directly from the water.

Why it matters: The lighthouse warns vessels of the submerged reef it is built upon, aiding navigation in the channel between Ōshima and the Nishisonogi Peninsula.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
24m
Geographic Range
14.1NM

Location

City
Saikai
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
A reef in the channel between Ōshima and the mainland of the Nishisonogi Peninsula.
Latitude
33.0129°
Longitude
129.6299°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower

References & Identifiers

Nearest Port
Oshima, Nagasaki(2.3 km)
Admiralty No.
M5210
ARLHS No.
JPN-803
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Frequently Asked Questions

How do mariners identify Northern Saikai Offshore Lighthouses Lighthouse at night?+
Northern Saikai Offshore Lighthouses displays the characteristic Fl White 3s. 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 Northern Saikai Offshore Lighthouses Lighthouse guide vessels into?+
Northern Saikai Offshore Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Ôshima, Nagasaki at 1.6 NM to the NNW. Other ports served include Omodaka (4.3 NM NNE), Matsushima, Nagasaki (4.4 NM SSW), Seto (4.8 NM S), Saikai (4.9 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Northern Saikai Offshore Lighthouses Lighthouse still active and maintained?+
Yes, Northern Saikai Offshore Lighthouses 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.
What shipping routes pass near Northern Saikai Offshore Lighthouses Lighthouse?+
Northern Saikai Offshore Lighthouses Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Northern Saikai Offshore Lighthouses Lighthouse?+
You can track vessels near Northern Saikai Offshore Lighthouses 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.