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Otaru North Auxiliary Breakwater Lighthouse

Iso R 6s🇯🇵Western Hokkaidō, JPOperational

Location & Light Range

About Otaru North Auxiliary Breakwater Lighthouse

This cylindrical mast lighthouse is situated in Western Hokkaidō. It stands 7 meters high, with the light source positioned 15 meters above sea level. The light displays a single red flash every 4 seconds. The structure is seasonal.

Light & Optic

Characteristic Signature
Iso R 6s
Flash Type
Isophase
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
Fl.R. period 4s
Focal Height
15m
Geographic Range
4NM

Location

City
Western Hokkaidō
Country
🇯🇵JP
Latitude
43.1999°
Longitude
141.0266°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical

Structure: Cylindrical mast; 7. Seasonal

References & Identifiers

Admiralty No.
M6988
NGA No.
1224
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Frequently Asked Questions

How do mariners identify Otaru North Auxiliary Breakwater Lighthouse at night?+
Otaru North Auxiliary 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 Otaru North Auxiliary Breakwater Lighthouse guide vessels into?+
Otaru North Auxiliary Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Otaru at 0.4 NM to the W. Other ports served include Yoichi (10.7 NM W), Ishikari (11.6 NM E), Ishikariwan Shinko (12 NM E), Wan (15 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Otaru North Auxiliary Breakwater Lighthouse still active and maintained?+
Yes, Otaru North Auxiliary 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.
How can I track vessels near Otaru North Auxiliary Breakwater Lighthouse?+
You can track vessels near Otaru North Auxiliary 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.