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Tagonoura Kō West Breakwater Lighthouse

Iso G 6s🇯🇵Shizuoka, JPOperational

Location & Light Range

About Tagonoura Kō West Breakwater Lighthouse

This concrete tower, painted white, stands 49 meters tall and features a round, hourglass shape. Its light, visible for 15 nautical miles, is a green isophase signal, meaning it stays on for 4 seconds and then is dark for 4 seconds. The focal height of the light is 16 meters above sea level. The lighthouse is constructed from concrete and has a gallery and lantern room at its peak. It was recorded as being repainted in 2012.

Light & Optic

Characteristic Signature
Iso G 6s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 4s
Focal Height
16m
Geographic Range
15NM

Location

City
Shizuoka
Country
🇯🇵JP
Latitude
35.1346°
Longitude
138.6981°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
49m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 49

References & Identifiers

Admiralty No.
M6264.2
NGA No.
5628
ARLHS No.
JPN-1451
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Frequently Asked Questions

How do mariners identify Tagonoura Kō West Breakwater Lighthouse at night?+
Tagonoura Kō West Breakwater displays the characteristic Iso G 6s — 1 green flash every 6 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 Tagonoura Kō West Breakwater Lighthouse guide vessels into?+
Tagonoura Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Agonoura at 0.1 NM to the SE. Other ports served include Gonoura (0.1 NM SE), Tagonoura (0.5 NM NNW), Numazu (8.5 NM ESE), Heda (10.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tagonoura Kō West Breakwater Lighthouse still active and maintained?+
Yes, Tagonoura Kō 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 Tagonoura Kō West Breakwater Lighthouse?+
Tagonoura Kō 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 Tagonoura Kō West Breakwater Lighthouse?+
You can track vessels near Tagonoura Kō 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.