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Tō Wan Lighthouse

F White/Red/Green🇯🇵Kesennuma, JPOperational

Location & Light Range

About Tō Wan Lighthouse

Also known as: Tō Wan (Kesennuma, Yoroi Saki)

Constructed in 1981, this 10-meter tall, round, cylindrical concrete tower originates from a single-story structure and is topped by a large square enclosure. Its focal plane sits at 28 meters above sea level. Located at the extremity of the eastern section of Kesennuma Bay, the structure functions as a navigation aid for vessels approaching the port of Kesennuma, situated 2.1 kilometers distant. The light emits white, red, or green illumination with a maximum visibility of 14.9 nautical miles. Its flash pattern is designated as F W R G, indicating continuous white, red, or green flashes based on bearing.

Why it matters: This light marks the eastern entrance to Kesennuma Bay, helping direct vessels toward the port with its specific colored light sectors.

Light & Optic

Characteristic Signature
F White/Red/Green
Flash Type
Fixed
Light Color
White/Red/Green
Raw Code
F W R G
Focal Height
28m
Geographic Range
14.9NM

Construction & History

Year Built
1981

References & Identifiers

Nearest Port
Kesennuma(2.1 km)
Admiralty No.
M6567.4
ARLHS No.
JPN-254

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Material
concrete

Structure: round cylindrical concrete tower, rising from one end of a 1-story building and supporting a large square room

Location

City
Kesennuma
Country
🇯🇵Japan
Region
Miyagi Prefecture
Sea Region
Located at the head of the eastern arm of Kesennuma Wan, guiding ships toward the port.
Latitude
38.8930°
Longitude
141.6272°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Tō Wan Lighthouse at night?+
Tō Wan displays the characteristic F White/Red/Green. 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/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Tō Wan Lighthouse guide vessels into?+
Tō Wan Lighthouse assists vessels approaching 5 nearby ports. The closest is Kesennuma at 1.8 NM to the W. Other ports served include En (2 NM SW), Nakayama (2 NM SW), Obatake (2 NM SW), Saba (2 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tō Wan Lighthouse still active and maintained?+
Yes, Tō Wan 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 Tō Wan Lighthouse?+
Tō Wan 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 Tō Wan Lighthouse?+
You can track vessels near Tō Wan 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.