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Kogawa North Breakwater Lighthouse

Iso G 4s🇯🇵Shizuoka, JPOperational

Location & Light Range

About Kogawa North Breakwater Lighthouse

This white, cylindrical concrete tower stands 39 meters tall and functions as a navigational aid at the end of the main breakwater. Its focal plane is 17 meters above the water. The lighthouse emits a fixed red light. It guards the southern entrance to the harbors of Kogawa and Yaizu. The structure's height and materials ensure its durability in its exposed location.

Light & Optic

Characteristic Signature
Iso G 4s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
F.R.
Focal Height
17m
Geographic Range
5NM

Location

City
Shizuoka
Country
🇯🇵JP
Latitude
34.8542°
Longitude
138.3311°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
39m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: White tower; 39

References & Identifiers

Admiralty No.
M6239
NGA No.
5744
ARLHS No.
JPN-1431
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Frequently Asked Questions

How do mariners identify Kogawa North Breakwater Lighthouse at night?+
Kogawa North Breakwater displays the characteristic Iso G 4s — 1 green flash every 4 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 Kogawa North Breakwater Lighthouse guide vessels into?+
Kogawa North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Yaizu at 0.8 NM to the N. Other ports served include Ohigawa (4.7 NM SSW), Shimada (7.4 NM W), Sagara (11.8 NM SSW), Himi (12.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kogawa North Breakwater Lighthouse still active and maintained?+
Yes, Kogawa North 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 Kogawa North Breakwater Lighthouse?+
Kogawa North 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 Kogawa North Breakwater Lighthouse?+
You can track vessels near Kogawa North 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.