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Hirakushi Saki Lighthouse

Fl W 5s🇯🇵Gotō Islands, JPOperational

Location & Light Range

About Hirakushi Saki Lighthouse

The Hirakushi Saki lighthouse is a green, cylindrical concrete tower situated on a promontory. Its focal height reaches 36 meters. The light emits a single white flash every 6 seconds. The structure, built of fiberglass, stands on piles and features a topmark.

Why it matters: This lighthouse serves as a navigational aid for vessels in the Gotō Islands.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 6s
Focal Height
36m
Geographic Range
6NM

Location

City
Gotō Islands
Country
🇯🇵JP
Latitude
32.9900°
Longitude
129.1151°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: PORT (IALA B) Green glass reinforced plastic(grp) fiberglass tower, topmark, on pile

References & Identifiers

Admiralty No.
M5014
NGA No.
12776
ARLHS No.
JPN-124
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Frequently Asked Questions

How do mariners identify Hirakushi Saki Lighthouse at night?+
Hirakushi Saki displays the characteristic Fl W 5s — 1 white flash every 5 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.
Which ports and harbors does Hirakushi Saki Lighthouse guide vessels into?+
Hirakushi Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Aokata at 2.5 NM to the W. Other ports served include Arikawa (2.5 NM W), Enokizu (2.5 NM W), Kata (2.5 NM W), Kozera (2.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hirakushi Saki Lighthouse still active and maintained?+
Yes, Hirakushi 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 Hirakushi Saki Lighthouse?+
Hirakushi 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 Hirakushi Saki Lighthouse?+
You can track vessels near Hirakushi 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.