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Obama City Lighthouses Lighthouse

Fl (3) Green 12s🇯🇵Obama, JPOperational

Location & Light Range

About Obama City Lighthouses Lighthouse

This cylindrical concrete lighthouse stands 8.5 meters tall, with its light at a focal height of 10 meters. Painted white, the structure is round and hourglass-shaped. It emits a green light with a single flash every 12 seconds, visible for 10.4 nautical miles. The lighthouse is situated at the south end of the detached breakwater that shelters Obama harbor. The site is open to the public, but the tower itself is closed.

Why it matters: This lighthouse is essential for safe navigation into Obama harbor, marking the southern extremity of the detached breakwater. Its distinct green flash characteristic helps differentiate it from other lights, preventing potential collisions and groundings for vessels approaching the port.

Light & Optic

Characteristic Signature
Fl (3) Green 12s
Flash Type
Flashing
Light Color
Green
Flash Count
3 flashes
Interval
12s
Raw Code
Fl G 12s
Focal Height
10m
Geographic Range
10.4NM

Location

City
Obama
Country
🇯🇵Japan
Region
Fukui Prefecture
Sea Region
Located at the south end of the detached breakwater sheltering Obama harbor in Japan.
Latitude
35.4998°
Longitude
135.7300°

References & Identifiers

Nearest Port
Obama(0.6 km)
Admiralty No.
M7252.8
NGA No.
2564
ARLHS No.
JPN-1201

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round hourglass-shaped concrete tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Obama City Lighthouses Lighthouse at night?+
Obama City Lighthouses displays the characteristic Fl (3) Green 12s — 3 green flashes every 12 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 Obama City Lighthouses Lighthouse guide vessels into?+
Obama City Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Obama, Fukui at 1.3 NM to the WNW. Other ports served include Tsuchiura (11.3 NM W), Uchiura, Fukui (12 NM W), Maizuru (18.2 NM W), Shiraki (18.7 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Obama City Lighthouses Lighthouse still active and maintained?+
Yes, Obama City Lighthouses 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 Obama City Lighthouses Lighthouse?+
Obama City Lighthouses 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 Obama City Lighthouses Lighthouse?+
You can track vessels near Obama City Lighthouses 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.