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Nigishiro Saki Lighthouse

Fl (2) White 7s🇯🇵Ishinomaki, JPOperational

Location & Light Range

About Nigishiro Saki Lighthouse

Also known as: Nigishiro Saki (Tashiro Shima)

The lighthouse at Nigishiro Saki was established in 1955 and stands 10 meters tall on a concrete post rising from a square, one-story equipment room. Its entire structure is painted white. Situated on the northernmost tip of Tashiro Shima, an island located about 15 kilometers southeast of Ishinomaki, this concrete lighthouse has a focal height of 48 meters. It emits a white light with two flashes every 7 seconds, visible for a geographic range of 18.4 nautical miles. Access to the site is typically by boat.

Why it matters: This lighthouse serves as a navigational aid marking the northern point of Tashiro Shima, southeast of Ishinomaki. Its distinct concrete post design also distinguishes it within the region.

Light & Optic

Characteristic Signature
Fl (2) White 7s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
7s
Raw Code
Fl W 7s
Focal Height
48m
Geographic Range
18.4NM

Construction & History

Year Built
1955

References & Identifiers

Nearest Port
Aji(2.9 km)
Admiralty No.
M6540
NGA No.
4368
ARLHS No.
JPN-410

Tower & Structure

Tower Height
10m
Tower Color
white
Material
concrete

Structure: A 10m concrete post rising from a square 1-story concrete equipment room. The entire lighthouse is white.

Location

City
Ishinomaki
Country
🇯🇵Japan
Region
Miyagi Prefecture
Sea Region
Northern point of Tashiro Shima, an island about 15 km southeast of Ishinomaki.
Latitude
38.3112°
Longitude
141.4180°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nigishiro Saki Lighthouse at night?+
Nigishiro Saki displays the characteristic Fl (2) White 7s — 2 white flashes every 7 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 Nigishiro Saki Lighthouse guide vessels into?+
Nigishiro Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Omotehama at 2.5 NM to the ENE. Other ports served include Oginohama (4 NM NNE), Ayukawa (4.3 NM ESE), Watanoha (6.2 NM NNW), Onagawa (7.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nigishiro Saki Lighthouse still active and maintained?+
Yes, Nigishiro 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 Nigishiro Saki Lighthouse?+
Nigishiro 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 Nigishiro Saki Lighthouse?+
You can track vessels near Nigishiro 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.