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Haraguchi Oiwa Lighthouse

F W🇯🇵Southern Hokkaidō, JPOperational

Location & Light Range

About Haraguchi Oiwa Lighthouse

Haraguchi Oiwa Lighthouse is a maritime navigation aid located in Southern Hokkaidō, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 34 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is F W. The light emits 1 flash per cycle. Each lighthouse has a unique flash pattern listed in nautical publications, allowing mariners to confirm their position. The light displays a white signal, the most common color for major coastal lights.

Position: Haraguchi Oiwa Lighthouse is positioned at 41.6011°N, 139.9833°E, near Southern Hokkaidō in JP.

Geographic context: Haraguchi Oiwa Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. 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

Shizuura

JPSZU

6.7 NMSSE

Matsumae

JPMTM

11.9 NMSSE

Fukushima, Hokkaido

JPFKU

14.5 NMESE

Fukushima (hokkaido)

JPFKF

14.5 NMESE

Esashi/Hiyama

JPESI

17.2 NMNNE

Flash Characteristics

Characteristic Signature
F W
Flash Type
Fixed
Light Color
White
Flash Count
1 flash

Physical Specifications

Focal Height
34m
Light Range
Not available
Status
ACTIVE
City
Southern Hokkaidō
Country
🇯🇵JP
Latitude
41.6011°
Longitude
139.9833°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Haraguchi Oiwa Lighthouse at night?+
Haraguchi Oiwa displays the characteristic F W. 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.
Which ports and harbors does Haraguchi Oiwa Lighthouse guide vessels into?+
Haraguchi Oiwa Lighthouse assists vessels approaching 5 nearby ports. The closest is Shizuura at 6.7 NM to the SSE. Other ports served include Matsumae (11.9 NM SSE), Fukushima, Hokkaido (14.5 NM ESE), Fukushima (hokkaido) (14.5 NM ESE), Esashi/Hiyama (17.2 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Haraguchi Oiwa Lighthouse still active and maintained?+
Yes, Haraguchi Oiwa 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 Haraguchi Oiwa Lighthouse?+
Haraguchi Oiwa 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 Haraguchi Oiwa Lighthouse?+
You can track vessels near Haraguchi Oiwa 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.