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Irosaki Sector lights Lighthouse

F WRG 16s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Irosaki Sector lights Lighthouse

Also known as: Irouzaki Lighthouse

The Irosaki Sector lights are positioned along Honshu's South Coast. This navigational aid displays a white, red, and green light from a focal height of 64 meters. The light sequence consists of a white flash, a red flash, and a green flash, repeating every 16 seconds.

Light & Optic

Characteristic Signature
F WRG 16s
Flash Type
Fixed
Light Color
WRG
Flash Count
1 flash
Interval
16s
Raw Code
Fl.W.R. period 16s
Focal Height
64m
Light Range
14NM (25.9 km)

References & Identifiers

Admiralty No.
M6270
NGA No.
5572
Wikipedia
Read on Wikipedia →
Wikidata
Q6075281 →
OpenStreetMap
View on OSM →

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
34.6032°
Longitude
138.8446°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Irosaki Sector lights Lighthouse be seen?+
With a focal height of 64 meters and a nominal range of 14 nautical miles (approximately 25.9 km), Irosaki Sector lights is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Irosaki Sector lights Lighthouse at night?+
Irosaki Sector lights displays the characteristic F WRG 16s — 1 wrg flash every 16 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 wrg color may indicate a specific sector or warning zone.
Which ports and harbors does Irosaki Sector lights Lighthouse guide vessels into?+
Irosaki Sector lights Lighthouse assists vessels approaching 5 nearby ports. The closest is Shimoda, Shizuoka at 6.8 NM to the NE. Other ports served include Matsuzaki (10 NM NNW), Tago (12.9 NM NNW), Arari (14 NM NNW), Inatori (14.2 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Irosaki Sector lights Lighthouse still active and maintained?+
Yes, Irosaki Sector lights 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 Irosaki Sector lights Lighthouse?+
Irosaki Sector lights 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 Irosaki Sector lights Lighthouse?+
You can track vessels near Irosaki Sector lights 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.