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Sakai Hamadera North Breakwater Lighthouse

Iso R 6s🇯🇵Ōsaka Area, JPOperational

Location & Light Range

About Sakai Hamadera North Breakwater Lighthouse

This concrete structure stands 18 meters tall with its focal plane at the same elevation. The cylindrical tower is painted green and emits a red light. It displays an isophase characteristic, meaning the light is on and off for equal durations within its cycle. The lighthouse, a pipe swing pole type, is operational and has a geographic range of 13 nautical miles. It is a seasonal structure.

Light & Optic

Characteristic Signature
Iso R 6s
Flash Type
Isophase
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
18m
Geographic Range
13NM

Location

City
Ōsaka Area
Country
🇯🇵JP
Latitude
34.5580°
Longitude
135.4094°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
18m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: Pipe swing pole; 20. Seasonal

References & Identifiers

Admiralty No.
M5950
NGA No.
7284
ARLHS No.
JPN-1926
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Frequently Asked Questions

How do mariners identify Sakai Hamadera North Breakwater Lighthouse at night?+
Sakai Hamadera North Breakwater displays the characteristic Iso R 6s — 1 red flash every 6 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Sakai Hamadera North Breakwater Lighthouse guide vessels into?+
Sakai Hamadera North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Sakaisenboku at 1.3 NM to the ESE. Other ports served include Sakai (1.5 NM S), Osaka, Tottori (5.7 NM NNE), Hannan (6.2 NM SSW), KAIZUKA (6.7 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakai Hamadera North Breakwater Lighthouse still active and maintained?+
Yes, Sakai Hamadera 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 Sakai Hamadera North Breakwater Lighthouse?+
Sakai Hamadera 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 Sakai Hamadera North Breakwater Lighthouse?+
You can track vessels near Sakai Hamadera 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.