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Ugo Misaki Lighthouse

Fl (2) White 7s🇯🇵Yuza, JPOperational

Location & Light Range

About Ugo Misaki Lighthouse

Ugo Misaki Lighthouse, established and first lit in 1960, is a white concrete cylindrical post standing 10.5 meters tall. The post supports a lantern and rises from a square, single-story concrete equipment room. Its focal height reaches 68 meters above sea level. The light emits two white flashes every 7 seconds, visible for over 21 nautical miles. The lighthouse is situated on a promontory about 25 kilometers north of Sakata, near the border of Yamagata and Akita prefectures. While the site is open to visitors, the tower itself is closed to the public.

Why it matters: This lighthouse is significant for coastal navigation in the Sea of Japan, warning vessels of the headland it marks. Its unique structure also serves as a visual landmark for mariners.

Light & Optic

Characteristic Signature
Fl (2) White 7s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
7s
Raw Code
Fl W 7s
Focal Height
68m
Geographic Range
21.2NM

Construction & History

Year Built
1960

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 10.5m white concrete post with a lantern, rising from a square 1-story concrete equipment room.

Location

City
Yuza
Country
🇯🇵Japan
Region
Yamagata Prefecture
Sea Region
Located on a promontory about 25 km north of Sakata, just south of the border between Yamagata and Akita prefectures.
Latitude
39.1178°
Longitude
139.8707°

References & Identifiers

Nearest Port
Kisakata(5.4 km)
Admiralty No.
M7077
NGA No.
3496
USCG No.
JCG-1383
ARLHS No.
JPN-710
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Frequently Asked Questions

How do mariners identify Ugo Misaki Lighthouse at night?+
Ugo Misaki displays the characteristic Fl (2) White 7s — 2 white flashes every 7 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Ugo Misaki Lighthouse guide vessels into?+
Ugo Misaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kisakata at 5.1 NM to the NNE. Other ports served include Konoura (8.5 NM NNE), Sakata (11.3 NM SSW), Hirasawa (11.4 NM NNE), TOBISHIMA (15.2 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ugo Misaki Lighthouse still active and maintained?+
Yes, Ugo Misaki 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 Ugo Misaki Lighthouse?+
Ugo Misaki 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 Ugo Misaki Lighthouse?+
You can track vessels near Ugo Misaki 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.