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Ishikari Lighthouse

Fl W 20s🇯🇵Hokkaido-West Coast, JPOperational

Location & Light Range

About Ishikari Lighthouse

This metal lighthouse features a round, white tower with red bands. It reaches a height of 46 meters, with the light positioned 17 meters above sea level. The light emits a single white flash every 20 seconds, visible for 13 nautical miles. The structure is located on the Hokkaido-West Coast.

Light & Optic

Characteristic Signature
Fl W 20s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
20s
Raw Code
Fl.W. period 20s
Focal Height
17m
Light Range
13NM (24.1 km)
Geographic Range
13NM

Location

City
Hokkaido-West Coast
Country
🇯🇵JP
Latitude
43.2569°
Longitude
141.3606°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
46m
Tower Shape
round
Tower Color
white and red
Material
metal

Structure: White round metal tower, red banded; 46

References & Identifiers

Admiralty No.
M6980
NGA No.
1232
Wikidata
Q28682446 →
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Frequently Asked Questions

How far offshore can Ishikari Lighthouse be seen?+
With a focal height of 17 meters and a nominal range of 13 nautical miles (approximately 24.1 km), Ishikari 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 Ishikari Lighthouse at night?+
Ishikari displays the characteristic Fl W 20s — 1 white flash every 20 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 Ishikari Lighthouse guide vessels into?+
Ishikari Lighthouse assists vessels approaching 5 nearby ports. The closest is Wan at 1.4 NM to the S. Other ports served include Ishikariwan Shinko (3.6 NM SW), Ishikari (4.3 NM SW), Ishikariwan Shinko (8.3 NM NE), Otaru (15.4 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ishikari Lighthouse still active and maintained?+
Yes, Ishikari 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 Ishikari Lighthouse?+
You can track vessels near Ishikari 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.