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Hatosaki Lighthouse

Iso W 6s🇯🇵Honshu-Northwest Coast, JPOperational

Location & Light Range

About Hatosaki Lighthouse

The Hatosaki Lighthouse is situated on the Honshu-Northwest Coast of Japan. It emits an isophase white light, cycling through a 6-second period. The light's focal plane is 40 meters above sea level. This navigational aid has a geographic range of 12 nautical miles. It is currently operational.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 6s
Focal Height
40m
Light Range
12NM (22.2 km)
Geographic Range
12NM

References & Identifiers

Admiralty No.
M7087.8
NGA No.
3440

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
38.6856°
Longitude
139.6279°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Hatosaki Lighthouse be seen?+
With a focal height of 40 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Hatosaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Hatosaki Lighthouse at night?+
Hatosaki displays the characteristic Iso W 6s — 1 white 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.
Which ports and harbors does Hatosaki Lighthouse guide vessels into?+
Hatosaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kobato at 0.7 NM to the ENE. Other ports served include Yura, Yamagata (3.5 NM NE), Atsumi (3.9 NM SSW), Kamo (6.8 NM NE), Nezugaseki (8.4 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hatosaki Lighthouse still active and maintained?+
Yes, Hatosaki 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 Hatosaki Lighthouse?+
Hatosaki 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 Hatosaki Lighthouse?+
You can track vessels near Hatosaki 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.