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Shiofuki Kō Lighthouse

Fl Green 3s🇯🇵Kaminokuni, JPOperational

Location & Light Range

About Shiofuki Kō Lighthouse

Also known as: Siofuki

Shiofuki Kō lighthouse is a white, cylindrical concrete tower 11 meters tall, with its light positioned 16 meters above sea level. It emits a green light with a single flash every three seconds. The structure includes a lantern and gallery. While the tower is closed to the public, the site is accessible. It is located in Kaminokuni, within Hokkaido Prefecture, and guides vessels into Shiofuki Port.

Why it matters: The lighthouse is essential for the safe navigation of vessels entering and departing Shiofuki Port, particularly local fishing fleets and commercial shipping.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
16m
Geographic Range
12.2NM

Location

City
Kaminokuni
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Shiofuki Port, Japan
Latitude
41.7410°
Longitude
140.0519°

References & Identifiers

Nearest Port
Motomachi(14.1 km)
Admiralty No.
M7031
NGA No.
1024
ARLHS No.
JPN-972

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Shiofuki Kō Lighthouse at night?+
Shiofuki Kō displays the characteristic Fl Green 3s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Shiofuki Kō Lighthouse guide vessels into?+
Shiofuki Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Esashi/Hiyama at 8.3 NM to the NNE. Other ports served include Motomachi (14.4 NM NNE), Shizuura (15 NM S), Fukushima, Hokkaido (18.3 NM SSE), Fukushima (hokkaido) (18.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shiofuki Kō Lighthouse still active and maintained?+
Yes, Shiofuki Kō 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 Shiofuki Kō Lighthouse?+
Shiofuki Kō 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 Shiofuki Kō Lighthouse?+
You can track vessels near Shiofuki Kō 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.