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Nyūdō Saki Lighthouse

Fl W 15s🇯🇵Northern Honshū, JPOperational

Location & Light Range

About Nyūdō Saki Lighthouse

This lighthouse stands on the northern tip of the Oga Peninsula in Akita Prefecture, Northern Honshū. It is a large structure, painted in white and black bands. The light emits a white flash every 15 seconds from a focal height of 57 meters. Its geographic range extends for 20 nautical miles. The lighthouse is situated on the 40th parallel north.

Why it matters: This lighthouse is paired with the Rikuchū Kuro Saki lighthouse on the Pacific coast, marking the 40th parallel north. It has been recognized as one of Japan's 50 most beautiful lighthouses.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
57m
Geographic Range
20NM

References & Identifiers

Admiralty No.
M7058
NGA No.
3604
Wikipedia
Read on Wikipedia →
Wikidata
Q11389045 →
OpenStreetMap
View on OSM →

Location

City
Northern Honshū
Country
🇯🇵JP
Latitude
40.0052°
Longitude
139.7019°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nyūdō Saki Lighthouse at night?+
Nyūdō Saki displays the characteristic Fl W 15s — 1 white flash every 15 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 Nyūdō Saki Lighthouse guide vessels into?+
Nyūdō Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Funagawa at 10 NM to the SE. Other ports served include Akitafunagawa (10.5 NM SE), Funakawa (11.1 NM SE), Noshiro (18.3 NM NE), Akita (22 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nyūdō Saki Lighthouse still active and maintained?+
Yes, Nyūdō Saki 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 Nyūdō Saki Lighthouse?+
Nyūdō Saki 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 Nyūdō Saki Lighthouse?+
You can track vessels near Nyūdō Saki 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.