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Chōshi Kō East Breakwater Lighthouse

Fl G 3s🇯🇵Eastern Honshū (Ibaraki and Chiba), JPOperational

Chōshi Kō East Breakwater Lighthouse is a maritime navigation aid located in Eastern Honshū (Ibaraki and Chiba), JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 15 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl G 3s. This means the light produces 1 flash every 3 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is green, which may indicate a specific sector or warning zone.

Position: Chōshi Kō East Breakwater Lighthouse is positioned at 35.7497°N, 140.8604°E, near Eastern Honshū (Ibaraki and Chiba) in JP.

Geographic context: Chōshi Kō East Breakwater 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 temperate maritime climate zone.

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.

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Focal Height
15m
Light Range
Not available
Status
ACTIVE
City
Eastern Honshū (Ibaraki and Chiba)
Country
🇯🇵JP
Latitude
35.7497°
Longitude
140.8604°
Flag
Type
Name
Dist.
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How do mariners identify Chōshi Kō East Breakwater Lighthouse at night?+
Chōshi Kō East 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 Chōshi Kō East Breakwater Lighthouse guide vessels into?+
Chōshi Kō East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Choshi at 0.8 NM to the WSW. Other ports served include Naarai (1.1 NM SSW), Takada (1.1 NM SSW), Kashima, Ibaraki (12.9 NM NW), Futtsu, Chiba (25.3 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Chōshi Kō East Breakwater Lighthouse still active and maintained?+
Yes, Chōshi Kō East 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 Chōshi Kō East Breakwater Lighthouse?+
Chōshi Kō East 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 Chōshi Kō East Breakwater Lighthouse?+
You can track vessels near Chōshi Kō East 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.