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Shiriya Saki Lighthouse

Fl White 10s🇯🇵Higashidori, JPOperational

Location & Light Range

About Shiriya Saki Lighthouse

Also known as: Siriya

Constructed in 1876, this white, cylindrical brick tower stands 33 meters tall. It features a lantern and gallery, and is attached to a two-story keeper's house. The lighthouse emits a white flash every 10 seconds from a focal height of 46 meters, with a geographic range of 18.1 nautical miles. Located at the northeastern tip of Honshu island, it marks the Shiriya Saki cape. The site is open to the public, though the tower itself is closed.

Why it matters: This lighthouse guides shipping around Shiriya Cape, a key point for vessels between the Pacific Ocean and the Sea of Japan. Its operational history since 1876 highlights its long-standing role in maritime safety along Japan's northern coast.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
46m
Geographic Range
18.1NM

Construction & History

Year Built
1876

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
33m
Tower Shape
cylindrical
Tower Color
white
Material
brick

Structure: round brick tower with lantern and gallery, attached to a 2-story keeper's house

Location

City
Higashidori
Country
🇯🇵Japan
Region
Aomori Prefecture
Sea Region
Shiriya Saki, Japan, marking the cape of the same name at the northeastern tip of Honshu.
Latitude
41.4304°
Longitude
141.4621°

References & Identifiers

Nearest Port
Ohata(12.7 km)
Admiralty No.
M6630
NGA No.
3852
ARLHS No.
JPN-581
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Frequently Asked Questions

How do mariners identify Shiriya Saki Lighthouse at night?+
Shiriya Saki displays the characteristic Fl White 10s. 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 Shiriya Saki Lighthouse guide vessels into?+
Shiriya Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Shiriyazaki at 1.8 NM to the SW. Other ports served include Ohata (13.1 NM W), Ominato (16.8 NM SW), Oma (25.5 NM WNW), Kawauchi (25.6 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shiriya Saki Lighthouse still active and maintained?+
Yes, Shiriya 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 Shiriya Saki Lighthouse?+
Shiriya 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 Shiriya Saki Lighthouse?+
You can track vessels near Shiriya 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.