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Kannon Saki Lighthouse

Fl White 15s🇯🇵Yokosuka, JPOperational

Location & Light Range

About Kannon Saki Lighthouse

Also known as: Kannon Saki (Kannonzaki)

This white, cylindrical concrete lighthouse measures 19 meters in height. The octagonal structure supports a lantern room and gallery. Constructed in 1925, its light source is 56 meters above sea level. The lamp produces a white flash every 15 seconds, with a light range of 19.5 nautical miles. The lighthouse is situated close to Uraga port, at a distance of 1.4 kilometers.

Why it matters: Kannon Saki Lighthouse serves as a navigation aid for ships in active Japanese coastal waters and when approaching nearby commercial ports. Its light assists in preventing groundings and collisions in an area important for domestic fishing fleets and international cargo vessels.

Light & Optic

Characteristic Signature
Fl White 15s
Flash Type
Flashing
Light Color
White
Interval
15s
Raw Code
Fl W 15s
Focal Height
56m
Geographic Range
19.5NM

Construction & History

Year Built
1925

References & Identifiers

Nearest Port
Uraga(1.4 km)
ARLHS No.
JPN-227

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: octagonal cylindrical concrete tower with lantern and gallery, painted white

Location

City
Yokosuka
Country
🇯🇵Japan
Region
Kanagawa Prefecture
Latitude
35.2562°
Longitude
139.7452°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kannon Saki Lighthouse at night?+
Kannon Saki displays the characteristic Fl White 15s. 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 Kannon Saki Lighthouse guide vessels into?+
Kannon Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Uraga at 1.3 NM to the SW. Other ports served include Hamakanaya (2 NM SW), Kurihama (2.3 NM SSW), Yokosuka (3.5 NM NW), Hayama (4.2 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kannon Saki Lighthouse still active and maintained?+
Yes, Kannon 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 Kannon Saki Lighthouse?+
Kannon 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 Kannon Saki Lighthouse?+
You can track vessels near Kannon 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.