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Kawana Saki Lighthouse

Iso W 4s🇯🇵Shizuoka, JPOperational

Location & Light Range

About Kawana Saki Lighthouse

This lighthouse in Shizuoka operates with a focal height of 54 meters. Its light pattern consists of an isophase white signal that completes a cycle every 6 seconds. The geographic range of this light extends to 12 nautical miles. Its precise location is at coordinates 139.1448,34.95565.

Light & Optic

Characteristic Signature
Iso W 4s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Iso.W. period 6s
Focal Height
54m
Geographic Range
12NM

References & Identifiers

Admiralty No.
M6304
NGA No.
5464

Location

City
Shizuoka
Country
🇯🇵JP
Latitude
34.9556°
Longitude
139.1448°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kawana Saki Lighthouse at night?+
Kawana Saki displays the characteristic Iso W 4s — 1 white flash every 4 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.
Which ports and harbors does Kawana Saki Lighthouse guide vessels into?+
Kawana Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Itoh, Shizuoka at 2.4 NM to the WNW. Other ports served include Ajiro, Shizuoka (6.7 NM NNW), Atami (9 NM NNW), Manazuru (11.8 NM N), Inatori (12 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kawana Saki Lighthouse still active and maintained?+
Yes, Kawana 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 Kawana Saki Lighthouse?+
Kawana 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 Kawana Saki Lighthouse?+
You can track vessels near Kawana 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.