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Shimoda West Breakwater Lighthouse

Fl G 3s🇯🇵Shizuoka, JPOperational

Location & Light Range

About Shimoda West Breakwater Lighthouse

Also known as: Shimoda Port West Breakwater Lighthouse

This white, round concrete tower stands 29 meters high. Its focal plane is 10 meters above the water. The lighthouse is operational and emits a single green flash every 3 seconds. The structure has a geographic range of 3 nautical miles. It is situated in Shizuoka, Japan.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G. period 3s
Focal Height
10m
Geographic Range
3NM

Location

City
Shizuoka
Country
🇯🇵JP
Latitude
34.6693°
Longitude
138.9543°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
29m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 29

References & Identifiers

Admiralty No.
M6293
NGA No.
5544
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Frequently Asked Questions

How do mariners identify Shimoda West Breakwater Lighthouse at night?+
Shimoda West Breakwater displays the characteristic Fl G 3s — 1 green flash every 3 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Shimoda West Breakwater Lighthouse guide vessels into?+
Shimoda West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Shimoda, Shizuoka at 0.1 NM to the ESE. Other ports served include Inatori (7.7 NM NE), Matsuzaki (10.4 NM WNW), Tago (12.6 NM NW), Arari (13.2 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shimoda West Breakwater Lighthouse still active and maintained?+
Yes, Shimoda West Breakwater 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 Shimoda West Breakwater Lighthouse?+
Shimoda West Breakwater 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 Shimoda West Breakwater Lighthouse?+
You can track vessels near Shimoda West Breakwater 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.