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Wàidōngjǔ Lighthouse

Fl (2) White 10s🇨🇳Xiangshan County, CNOperational

Location & Light Range

About Wàidōngjǔ Lighthouse

Also known as: Wàidōngjǔ (Nánjiǔshān, Nanjiu Shan)

This white, round cylindrical tower, measuring 11.5 meters in height, is covered with white ceramic tiles and features a gallery. Its light, emitting a white flash every 10 seconds from a focal height of 53 meters, has a geographic range of 19.1 nautical miles. Located in Xiangshan County, Zhejiang province, on the eastern tip of Nánjiǔshān, the largest island of the Guānchuánào group, this operational lighthouse is situated 19.9 kilometers from the nearest port, Liuheng.

Why it matters: The Wàidōngjǔ light serves as a navigation aid for ships approaching the island chain of Guānchuánào, specifically marking the eastern extremity of Nánjiǔshān. Its distinctive white tile exterior provides a clear visual marker against the surrounding terrain.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
53m
Light Range
16NM (29.6 km)
Geographic Range
19.1NM

Location

City
Xiangshan County
Country
🇨🇳China
Region
Zhejiang
Sea Region
Located high on the eastern tip of Nánjiǔshān, the largest island of the Guānchuánào group.
Latitude
29.4332°
Longitude
122.2196°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11.5m
Tower Shape
cylindrical
Tower Color
white

Structure: round cylindrical tower with gallery, covered with white ceramic tiles

References & Identifiers

Nearest Port
Liuheng(19.9 km)
Admiralty No.
P3689
NGA No.
18980
Wikidata
Q115046466 →
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Frequently Asked Questions

How far offshore can Wàidōngjǔ Lighthouse be seen?+
With a focal height of 53 meters and a nominal range of 16 nautical miles (approximately 29.6 km), Wàidōngjǔ 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 Wàidōngjǔ Lighthouse at night?+
Wàidōngjǔ displays the characteristic Fl (2) White 10s — 2 white flashes 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Wàidōngjǔ Lighthouse guide vessels into?+
Wàidōngjǔ Lighthouse assists vessels approaching 5 nearby ports. The closest is LIUHENG at 18.6 NM to the NNW. Other ports served include Shipu (23.2 NM SW), XIANGSHAN (26.6 NM WNW), Zhoushan (29.3 NM N), Daxie Pt (30.5 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Wàidōngjǔ Lighthouse still active and maintained?+
Yes, Wàidōngjǔ 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.
How can I track vessels near Wàidōngjǔ Lighthouse?+
You can track vessels near Wàidōngjǔ 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.