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Ōyama Saki Lighthouse

Fl W 5s🇯🇵Ōsumi and Amami Islands, JPOperational

Location & Light Range

About Ōyama Saki Lighthouse

Ōyama Saki Lighthouse is a white framework tower measuring 23 meters in height. It features a square base and is distinguished by a white diamond daymark and a yellow border stripe. The light emits a single white flash every 5 seconds. Its geographic range extends for 12 nautical miles. This lighthouse is situated in the Ōsumi and Amami Islands.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
190m
Geographic Range
12NM

Location

City
Ōsumi and Amami Islands
Country
🇯🇵JP
Latitude
28.3662°
Longitude
129.3490°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
23m
Tower Shape
square
Tower Color
white and yellow

Structure: White framework tower, white diamond daymark, yellow border stripe; 23

References & Identifiers

Admiralty No.
M4778
NGA No.
13168
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Frequently Asked Questions

How do mariners identify Ōyama Saki Lighthouse at night?+
Ōyama 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 Ōyama Saki Lighthouse guide vessels into?+
Ōyama Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Chinase at 5.2 NM to the ENE. Other ports served include Yuwan (6.1 NM SSW), Naze (8.2 NM ENE), Yanma (8.4 NM SSE), Nagara (8.5 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōyama Saki Lighthouse still active and maintained?+
Yes, Ōyama 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.
How can I track vessels near Ōyama Saki Lighthouse?+
You can track vessels near Ōyama 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.