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Wakayama Lighthouse

Iso G 6s🇯🇵Seto Naikai Eastern - Kii Suido, JPInactive

Location & Light Range

About Wakayama Lighthouse

This 17-meter round concrete tower, painted green, stands at the entrance to Kii Suido. Its construction comprises a white round concrete structure. The light it once emitted was a single green flash, repeating on a 6-second cycle. The lighthouse is no longer operational.

Light & Optic

Characteristic Signature
Iso G 6s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
17m
Light Range
5NM (9.3 km)
Geographic Range
11NM

Location

City
Seto Naikai Eastern - Kii Suido
Country
🇯🇵JP
Latitude
34.2378°
Longitude
135.1189°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
17m
Tower Shape
round
Tower Color
green
Material
concrete

Structure: White round concrete tower; 46

References & Identifiers

Admiralty No.
M5961.8
NGA No.
7034
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Frequently Asked Questions

How far offshore can Wakayama Lighthouse be seen?+
With a focal height of 17 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Wakayama is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Wakayama Lighthouse at night?+
Wakayama displays the characteristic Iso G 6s — 1 green flash every 6 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Wakayama Lighthouse guide vessels into?+
Wakayama Lighthouse assists vessels approaching 5 nearby ports. The closest is Kainan at 2.4 NM to the SSE. Other ports served include Wakayama (2.4 NM SSE), Fuke (5.1 NM N), Tannowa (6.9 NM NNE), Shimotsu (7.3 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Wakayama Lighthouse still active and maintained?+
Wakayama Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Wakayama Lighthouse?+
Wakayama 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 Wakayama Lighthouse?+
You can track vessels near Wakayama 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.