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Bise Saki Lighthouse

Fl White 5s🇯🇵Motobu, JPOperational

Location & Light Range

About Bise Saki Lighthouse

This 12-meter concrete lighthouse, built and first lit in 1953, stands on a rocky reef at the end of a peninsula on Okinawa's west coast. The white post supports a lantern and gallery, and emits a white flash every 5 seconds. Its geographic range is 12.4 nautical miles. The site is open to the public, though the tower itself is closed. It is located about 20 kilometers northwest of Nago, near the town of Motobu.

Why it matters: Bise Saki Lighthouse warns vessels of a rocky reef extending from the peninsula along Okinawa's west coast. Its accessible site makes it a distinctive landmark for those exploring the coastal environment.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
17m
Geographic Range
12.4NM

Construction & History

Year Built
1953

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Color
white
Material
concrete

Structure: A 12m concrete post supporting a large lantern and gallery, painted white.

Location

City
Motobu
Country
🇯🇵Japan
Region
Okinawa Prefecture
Sea Region
Located on a rocky reef at the end of a peninsula projecting from the west coast of Okinawa, about 20 km northwest of Nago.
Latitude
26.7122°
Longitude
127.8767°

References & Identifiers

Nearest Port
Motobu(4.4 km)
Admiralty No.
M4763.4
NGA No.
13440
ARLHS No.
JPN-045
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Frequently Asked Questions

How do mariners identify Bise Saki Lighthouse at night?+
Bise Saki displays the characteristic Fl White 5s. 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 Bise Saki Lighthouse guide vessels into?+
Bise Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Motobu at 4.3 NM to the S. Other ports served include Sesoko (4.7 NM S), Unten (7.2 NM ESE), Kouri (7.6 NM E), Nago (9.1 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bise Saki Lighthouse still active and maintained?+
Yes, Bise 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 Bise Saki Lighthouse?+
You can track vessels near Bise 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.