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Omaesaki Lighthouse

Fl W 10s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Omaesaki Lighthouse

This white, round masonry tower stands 22.47 meters tall on the Honshu South Coast. First lit in 1874, its focal plane reaches 54 meters above sea level. The lighthouse emits a white light that flashes once every 10 seconds. Its geographic range extends for 19 nautical miles, providing a clear signal to mariners navigating this section of coastline. The structure itself is a round, masonry building.

Why it matters: A lighthouse was first established at Cape Omae in 1635 due to frequent marine accidents on the coastal rocks.

Background
Omaesaki Lighthouse (御前埼灯台, Omaesaki Tōdai) is a lighthouse located on a hill at the outermost extremity of Cape Omae south of Omaezaki Port, Shizuoka Prefecture, Japan. A lighthouse was built at Cape Omae as early as 1635, when the Tokugawa Shogunate recognized the frequency of marine accidents on the rocks off the coast of Tōtōmi Province.

Light & Optic

Characteristic Signature
Fl W 10s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
10s
Raw Code
Fl.W. period 10s
Focal Height
54m
Light Range
19NM (35.2 km)
Geographic Range
19NM

Construction & History

Year Built
1874

References & Identifiers

Admiralty No.
M6228
NGA No.
5778
Wikipedia
Read on Wikipedia →
Wikidata
Q7089383 →

Tower & Structure

Tower Height
22.47m
Tower Shape
round
Tower Color
white
Material
masonry

Structure: White round masonry tower; 72

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
34.5959°
Longitude
138.2258°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Omaesaki Lighthouse be seen?+
With a focal height of 54 meters and a nominal range of 19 nautical miles (approximately 35.2 km), Omaesaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Omaesaki Lighthouse at night?+
Omaesaki displays the characteristic Fl W 10s — 1 white flash every 10 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 Omaesaki Lighthouse guide vessels into?+
Omaesaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Ezaki at 0.4 NM to the ENE. Other ports served include Omaezaki (1.4 NM NNW), Sagara (5.6 NM N), Ohigawa (11.6 NM NNE), Shimada (14.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Omaesaki Lighthouse still active and maintained?+
Yes, Omaesaki 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 Omaesaki Lighthouse?+
Omaesaki 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 Omaesaki Lighthouse?+
You can track vessels near Omaesaki 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.