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Utatsu Saki Lighthouse

Fl White 3s🇯🇵Minami-Sanriku, JPOperational

Location & Light Range

About Utatsu Saki Lighthouse

Also known as: Utatu

Constructed in 1924, Utatsu Saki Lighthouse consists of a semielliptical concrete tower, 11 meters in height, emerging from a 1-story concrete equipment building. Located in Miyagi Prefecture, Japan, its light source sits 51 meters above the sea. The operational light shows a white flash every 3 seconds and can be seen for 18.8 nautical miles. The lighthouse marks the Utatsu Saki area for ships; Itabashi port is situated 1 kilometer distant.

Why it matters: This lighthouse offers navigation assistance for vessels along the coast near Utatsu Saki. The unique semielliptical concrete structure is a notable element of the local lighthouse inventory.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
51m
Geographic Range
18.8NM

Construction & History

Year Built
1924

References & Identifiers

Nearest Port
Itabashi(1.0 km)
Admiralty No.
M6560
NGA No.
4284
ARLHS No.
JPN-732

Tower & Structure

Tower Height
11m
Tower Shape
semielliptical
Material
concrete

Structure: semielliptical concrete tower with gallery, rising from a 1-story concrete equipment room

Location

City
Minami-Sanriku
Country
🇯🇵Japan
Region
Miyagi Prefecture
Sea Region
Utatsu Saki, Japan
Latitude
38.6977°
Longitude
141.5597°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Utatsu Saki Lighthouse at night?+
Utatsu Saki displays the characteristic Fl White 3s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Utatsu Saki Lighthouse guide vessels into?+
Utatsu Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Osaki/Mitsushima at 0.3 NM to the NNW. Other ports served include Itabashi (1 NM NW), Kisawa (3.4 NM NNW), Shizugawa (5.3 NM WSW), Aika (6.3 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Utatsu Saki Lighthouse still active and maintained?+
Yes, Utatsu 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 Utatsu Saki Lighthouse?+
Utatsu 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 Utatsu Saki Lighthouse?+
You can track vessels near Utatsu 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.