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Tomakomai Lighthouse

Fl W 12s🇯🇵Hokkaido-South Coast, JPOperational

Location & Light Range

About Tomakomai Lighthouse

The Tomakomai Lighthouse stands 37 meters tall on Hokkaido's south coast. Its focal height matches the tower height, also at 37 meters. The light emitted is white, providing a visual reference for mariners navigating the area. This structure serves as a navigational aid within its operational capacity.

Light & Optic

Characteristic Signature
Fl W 12s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
12s
Focal Height
37m
Light Range
17NM (31.5 km)

Location

City
Hokkaido-South Coast
Country
🇯🇵JP
Latitude
42.6215°
Longitude
141.5696°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
37m

References & Identifiers

OpenStreetMap
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Frequently Asked Questions

How far offshore can Tomakomai Lighthouse be seen?+
With a focal height of 37 meters and a nominal range of 17 nautical miles (approximately 31.5 km), Tomakomai 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 Tomakomai Lighthouse at night?+
Tomakomai displays the characteristic Fl W 12s — 1 white flash every 12 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 Tomakomai Lighthouse guide vessels into?+
Tomakomai Lighthouse assists vessels approaching 5 nearby ports. The closest is Tomakomai at 2.9 NM to the ENE. Other ports served include Shiraoi (12.7 NM WSW), Noboribetsu (20.6 NM WSW), Muroran (31.4 NM WSW), Niikappu (36.4 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomakomai Lighthouse still active and maintained?+
Yes, Tomakomai 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 Tomakomai Lighthouse?+
You can track vessels near Tomakomai 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.