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Hesaki Lighthouse

Fl W 15s🇯🇵Seto Naikai Western - Kanmon Kaikyo, JPOperational

Location & Light Range

About Hesaki Lighthouse

The Hesaki lighthouse, established in 1871, is a red post structure. Its focal height reaches 39 meters above sea level. The light emits a single white flash every 15 seconds. It guides mariners through the Seto Naikai Western - Kanmon Kaikyo area. The lighthouse is privately maintained.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
39m
Light Range
17NM (31.5 km)
Geographic Range
3NM

Construction & History

Year Built
1871

References & Identifiers

Admiralty No.
M5312
NGA No.
9766
Wikipedia
Read on Wikipedia →
Wikidata
Q5745289 →

Tower & Structure

Tower Color
red

Structure: Red post. Private

Location

City
Seto Naikai Western - Kanmon Kaikyo
Country
🇯🇵JP
Latitude
33.9596°
Longitude
131.0230°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Hesaki Lighthouse be seen?+
With a focal height of 39 meters and a nominal range of 17 nautical miles (approximately 31.5 km), Hesaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Hesaki Lighthouse at night?+
Hesaki displays the characteristic Fl W 15s — 1 white flash every 15 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 Hesaki Lighthouse guide vessels into?+
Hesaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Moji/Kitakyushu at 0.7 NM to the WNW. Other ports served include Tanoura/Kitakyushu (2.9 NM WSW), Shimonoseki (4.7 NM WSW), Shinmoji (5.3 NM SSW), Asa (6.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hesaki Lighthouse still active and maintained?+
Yes, Hesaki 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 Hesaki Lighthouse?+
Hesaki 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 Hesaki Lighthouse?+
You can track vessels near Hesaki 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.