Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Sakai-senboku Lighthouse

Fl G 4s🇯🇵Seto Naikai Eastern, JPOperational

This lighthouse features a square green tower that stands 14 meters high. The focal plane of the light is also at 14 meters above sea level. The structure itself is white. Its geographic range is 5 nautical miles. The light emits a green flash.

Characteristic Signature
Fl G 4s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
14m
Light Range
5NM (9.3 km)
Geographic Range
5NM
City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.5956°
Longitude
135.3965°
Flag
Type
Name
Dist.
Tower Height
14m
Tower Shape
square
Tower Color
green

Structure: White tower; 33

Admiralty No.
M5939.8
NGA No.
7292
OpenStreetMap
View on OSM →
Live tracking · 50,000+ mariners

Find Sakai-senboku Lighthouse on the live nautical map

Plan voyages near JP, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How far offshore can Sakai-senboku Lighthouse be seen?+
With a focal height of 14 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Sakai-senboku is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Sakai-senboku Lighthouse at night?+
Sakai-senboku displays the characteristic Fl G 4s — 1 green flash every 4 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. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Sakai-senboku Lighthouse guide vessels into?+
Sakai-senboku Lighthouse assists vessels approaching 5 nearby ports. The closest is Sakaisenboku at 3.3 NM to the SSE. Other ports served include Osaka, Tottori (3.7 NM NNE), Sakai (3.9 NM SSE), Amagasaki (6.3 NM N), Nishinomiya (6.3 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakai-senboku Lighthouse still active and maintained?+
Yes, Sakai-senboku 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 Sakai-senboku Lighthouse?+
Sakai-senboku 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 Sakai-senboku Lighthouse?+
You can track vessels near Sakai-senboku 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.