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Yomogi Saki Lighthouse

Fl W 5s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Yomogi Saki Lighthouse

This concrete lighthouse was constructed in 1962 and first lit the same year. The cylindrical tower stands 15 meters tall and has a focal height of 10 meters. Its color scheme is white and green, with a square daymark visible. The light emits a white flash every 3 seconds, with red and green elements also present. It is located at the foot of a promontory.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W.R.G. period 3s
Focal Height
10m
Geographic Range
5NM

Construction & History

Year Built
1962

References & Identifiers

Admiralty No.
M5751.6
NGA No.
7856
ARLHS No.
JPN-1905

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Tower Color
white and green
Material
concrete

Structure: Pipe swing pole, green and white square daymark; 15

Location

City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.5992°
Longitude
134.1380°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Yomogi Saki Lighthouse at night?+
Yomogi Saki displays the characteristic Fl W 5s — 1 white flash every 5 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 Yomogi Saki Lighthouse guide vessels into?+
Yomogi Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Ushimado at 1.1 NM to the NE. Other ports served include Yamada (6.9 NM WSW), Tonosho (7.2 NM SSE), Ieura (7.4 NM SSW), Kugui (7.7 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yomogi Saki Lighthouse still active and maintained?+
Yes, Yomogi Saki 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 Yomogi Saki Lighthouse?+
Yomogi Saki 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 Yomogi Saki Lighthouse?+
You can track vessels near Yomogi Saki 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.