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Odawara Ko No2 Breakwater Lighthouse

Iso G 4s🇯🇵Honshu-South Coast, JPOperational

This concrete breakwater light stands 18 meters tall with a focal height of 18 meters. The tower is round and painted green. It displays an isophase green light. The structure measures 43 units in length. This light serves the Honshu-South Coast region.

Why it matters: The light provides a geographic range of 12 nautical miles.

Characteristic Signature
Iso G 4s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Iso
Focal Height
18m
Light Range
5NM (9.3 km)
Geographic Range
12NM
City
Honshu-South Coast
Country
🇯🇵JP
Latitude
35.2385°
Longitude
139.1502°
Flag
Type
Name
Dist.
Tower Height
18m
Tower Shape
round
Tower Color
green
Material
concrete

Structure: White wooden tower; 43

Admiralty No.
M6326
NGA No.
5420
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How far offshore can Odawara Ko No2 Breakwater Lighthouse be seen?+
With a focal height of 18 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Odawara Ko No2 Breakwater is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Odawara Ko No2 Breakwater Lighthouse at night?+
Odawara Ko No2 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 Odawara Ko No2 Breakwater Lighthouse guide vessels into?+
Odawara Ko No2 Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Manazuru at 5.2 NM to the S. Other ports served include Atami (9.2 NM SSW), Oiso (9.2 NM ENE), Hiratsuka (11.4 NM ENE), Ajiro, Shizuoka (11.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Odawara Ko No2 Breakwater Lighthouse still active and maintained?+
Yes, Odawara Ko No2 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 Odawara Ko No2 Breakwater Lighthouse?+
Odawara Ko No2 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 Odawara Ko No2 Breakwater Lighthouse?+
You can track vessels near Odawara Ko No2 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.