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Ogami Shima Lighthouse

Fl W 4s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Ogami Shima Lighthouse

This round concrete lighthouse stands 12 meters tall. It emits a white flash every 4 seconds. The structure is painted red, contrasting with the light it displays. It is situated in the Nagasaki Area and is operational. The focal height is 76 meters above sea level, providing a geographic range of 22 nautical miles.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.
Focal Height
76m
Geographic Range
22NM

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
33.1789°
Longitude
129.3322°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
round
Tower Color
red
Material
concrete

Structure: Red metal structure

References & Identifiers

Admiralty No.
M5240
NGA No.
11984
ARLHS No.
JPN-473
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Frequently Asked Questions

How do mariners identify Ogami Shima Lighthouse at night?+
Ogami Shima displays the characteristic Fl W 4s — 1 white 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.
Which ports and harbors does Ogami Shima Lighthouse guide vessels into?+
Ogami Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsuyoshi at 6.4 NM to the ENE. Other ports served include Kawachi, Nagasaki (12.9 NM NE), Ikitsuki (13.3 NM NNE), Shikamachi (13.9 NM ENE), Emukae (16 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ogami Shima Lighthouse still active and maintained?+
Yes, Ogami Shima 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 Ogami Shima Lighthouse?+
Ogami Shima 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 Ogami Shima Lighthouse?+
You can track vessels near Ogami Shima 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.