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Nenasi Syo Lighthouse

Fl (2) W 5s🇯🇵Ehime (Western Shikoku), JPOperational

Location & Light Range

About Nenasi Syo Lighthouse

Nenasi Syo Lighthouse is a maritime navigation aid located in Ehime (Western Shikoku), JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 17 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl (2) W 5s. This means the light produces 2 flashes every 5 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Nenasi Syo Lighthouse is positioned at 33.9462°N, 132.4977°E, near Ehime (Western Shikoku) in JP.

Geographic context: Nenasi Syo Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Nearby Ports

Ihota

JPIHO

3 NMW

Tainouchi

JPTAL

10.5 NMNNE

Osako

JPOJO

10.7 NMNNE

Matsuyama

JPMYJ

11.5 NMESE

Masaki

JPMAS

11.6 NMESE

Flash Characteristics

Characteristic Signature
Fl (2) W 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s

Physical Specifications

Focal Height
17m
Light Range
Not available
Status
ACTIVE
City
Ehime (Western Shikoku)
Country
🇯🇵JP
Latitude
33.9462°
Longitude
132.4977°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nenasi Syo Lighthouse at night?+
Nenasi Syo displays the characteristic Fl (2) W 5s — 2 white flashes 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 Nenasi Syo Lighthouse guide vessels into?+
Nenasi Syo Lighthouse assists vessels approaching 5 nearby ports. The closest is Ihota at 3 NM to the W. Other ports served include Tainouchi (10.5 NM NNE), Osako (10.7 NM NNE), Matsuyama (11.5 NM ESE), Masaki (11.6 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nenasi Syo Lighthouse still active and maintained?+
Yes, Nenasi Syo 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 Nenasi Syo Lighthouse?+
Nenasi Syo 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 Nenasi Syo Lighthouse?+
You can track vessels near Nenasi Syo 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.