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Habu Saki Lighthouse

Fl (3) White 13s🇯🇵Niihama, JPOperational

Location & Light Range

About Habu Saki Lighthouse

Also known as: Habu Saki (Niihama Kō)

Constructed in 1969, Habu Saki Lighthouse is a white, cylindrical concrete tower measuring 11 meters in height. It stands on a steep promontory situated between Niihama's two main harbors. The lighthouse emits a white light with three flashes every 13 seconds, visible for over 19 nautical miles. Its focal plane is 53 meters above sea level. The site is accessible to the public, though the tower itself remains closed. A hiking trail from the western harbor leads to the lighthouse.

Why it matters: This lighthouse is essential for the safe navigation of vessels entering and exiting Niihama's principal harbors, supporting the area's maritime commerce. Its unique double gallery is a notable architectural feature.

Light & Optic

Characteristic Signature
Fl (3) White 13s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
13s
Raw Code
Fl W 13s
Focal Height
53m
Geographic Range
19.1NM

Construction & History

Year Built
1969

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round conical concrete tower with double gallery

Location

City
Niihama
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
Located on a steep promontory between Niihama's two principal harbors.
Latitude
33.9940°
Longitude
133.3208°

References & Identifiers

Nearest Port
Niihama(3.7 km)
Admiralty No.
M5475
NGA No.
8684
ARLHS No.
JPN-2368
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Frequently Asked Questions

How do mariners identify Habu Saki Lighthouse at night?+
Habu Saki displays the characteristic Fl (3) White 13s — 3 white flashes every 13 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Habu Saki Lighthouse guide vessels into?+
Habu Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Niihama at 1.8 NM to the SW. Other ports served include Saijo (8.9 NM WSW), Mishima, Kawanoe (11.3 NM E), Ishima (11.4 NM E), Iyomishima (11.4 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Habu Saki Lighthouse still active and maintained?+
Yes, Habu 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 Habu Saki Lighthouse?+
Habu 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 Habu Saki Lighthouse?+
You can track vessels near Habu 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.