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Kashima Kō Lighthouse

Iso WRG 4s🇯🇵Eastern Honshū (Ibaraki and Chiba), JPOperational

Location & Light Range

About Kashima Kō Lighthouse

This lighthouse features a red truncated conical tower with a white base, reaching a height of 10 meters. Its focal plane is situated 17 meters above sea level. The light emitted is visible in red, green, and white. Specifically, it displays an isophase red light on a 4-second cycle. This aid provides a geographic range of 13 nautical miles.

Light & Optic

Characteristic Signature
Iso WRG 4s
Flash Type
Isophase
Light Color
WRG
Flash Count
1 flash
Interval
4s
Raw Code
Iso.R.G. period 4s
Focal Height
17m
Geographic Range
13NM

Location

City
Eastern Honshū (Ibaraki and Chiba)
Country
🇯🇵JP
Latitude
35.9542°
Longitude
140.6901°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
conical
Tower Color
white and red

Structure: Red truncated conical tower, white base; 10. SPAIN-MEDITERRANEAN SEA 75

References & Identifiers

Admiralty No.
M6492.4
NGA No.
4741
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Frequently Asked Questions

How do mariners identify Kashima Kō Lighthouse at night?+
Kashima Kō displays the characteristic Iso WRG 4s — 1 wrg 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 wrg color may indicate a specific sector or warning zone.
Which ports and harbors does Kashima Kō Lighthouse guide vessels into?+
Kashima Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kashima, Ibaraki at 2.7 NM to the S. Other ports served include Choshi (14.7 NM SSE), Naarai (15.4 NM SSE), Takada (15.4 NM SSE), Oarai (22 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kashima Kō Lighthouse still active and maintained?+
Yes, Kashima Kō 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 Kashima Kō Lighthouse?+
Kashima Kō 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 Kashima Kō Lighthouse?+
You can track vessels near Kashima Kō 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.