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Masuura Kō Lighthouse

Iso R 4s🇯🇵Northern Hokkaidō, JPOperational

Location & Light Range

About Masuura Kō Lighthouse

Masuura Kō Lighthouse is a maritime navigation aid located in Northern Hokkaidō, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 14 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Iso R 4s. This means the light produces 1 flash every 4 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 red, which may indicate a specific sector or warning zone.

Position: Masuura Kō Lighthouse is positioned at 43.9915°N, 144.3010°E, near Northern Hokkaidō in JP.

Geographic context: Masuura Kō Lighthouse is situated on the North Pacific Ocean. 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.

Nearby Ports

Abashiri

JPABA

1.4 NMNNW

Tokoro

JPTKR

11.8 NMNW

Shibetsu

JPSBH

41.2 NMESE

Flash Characteristics

Characteristic Signature
Iso R 4s
Flash Type
Isophase
Light Color
Red
Flash Count
1 flash
Interval
4s

Physical Specifications

Focal Height
14m
Light Range
Not available
Status
ACTIVE
City
Northern Hokkaidō
Country
🇯🇵JP
Latitude
43.9915°
Longitude
144.3010°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Masuura Kō Lighthouse at night?+
Masuura Kō displays the characteristic Iso R 4s — 1 red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Masuura Kō Lighthouse guide vessels into?+
Masuura Kō Lighthouse assists vessels approaching 3 nearby ports. The closest is Abashiri at 1.4 NM to the NNW. Other ports served include Tokoro (11.8 NM NW), Shibetsu (41.2 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Masuura Kō Lighthouse still active and maintained?+
Yes, Masuura Kō 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 Masuura Kō Lighthouse?+
You can track vessels near Masuura Kō 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.