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Nokogiri Saki Lighthouse

Oc (2) White 6s🇯🇵Ooi, JPOperational

Location & Light Range

About Nokogiri Saki Lighthouse

Completed and first lit in 1951, this white, cylindrical concrete lighthouse measures 12 meters in height. Its lantern and gallery are positioned at a focal height of 26 meters. The structure consists of a round concrete tower connected to a 1-story concrete equipment building. The light is white, showing an occulting characteristic with two flashes every 6 seconds, and has a range of 14.5 nautical miles. Nokogiri Saki is situated on the eastern point of a peninsula, approximately 4.6 kilometers from Obama.

Why it matters: This navigation aid marks the extremity of the peninsula, serving as a reference point for ships navigating the area between Takayama and Kohama Bays.

Light & Optic

Characteristic Signature
Oc (2) White 6s
Flash Type
Occulting
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Oc(2) W 6s
Focal Height
26m
Geographic Range
14.5NM

Construction & History

Year Built
1951

References & Identifiers

Nearest Port
Obama(4.6 km)
Admiralty No.
M7252
NGA No.
2556
ARLHS No.
JPN-426

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, attached at one corner of a rectangular 1-story concrete equipment building

Location

City
Ooi
Country
🇯🇵Japan
Region
Fukui Prefecture
Sea Region
marks the end of a long, rugged peninsula that separates Takayama and Kohama Bays, located about 20 km northeast of Takayama.
Latitude
35.5468°
Longitude
135.6612°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nokogiri Saki Lighthouse at night?+
Nokogiri Saki displays the characteristic Oc (2) White 6s — 2 white flashes every 6 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Nokogiri Saki Lighthouse guide vessels into?+
Nokogiri Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Obama, Fukui at 3.1 NM to the SE. Other ports served include Tsuchiura (8.1 NM WSW), Uchiura, Fukui (8.5 NM W), Maizuru (15.3 NM WSW), Shiraki (19.3 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nokogiri Saki Lighthouse still active and maintained?+
Yes, Nokogiri 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 Nokogiri Saki Lighthouse?+
Nokogiri 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 Nokogiri Saki Lighthouse?+
You can track vessels near Nokogiri 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.