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Habushiiwa Lighthouse

Fl (2) W 5s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Habushiiwa Lighthouse

Habushiiwa lighthouse marks an isolated danger within Seto Naikai Eastern. The structure is a black tower with red banding and a black topmark, set on a black base. Its light produces two white flashes every 5 seconds. The focal height of the light is 15 meters.

Why it matters: This lighthouse has a geographic range of 7 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) W 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl.(2)W. period 5s
Focal Height
15m
Light Range
7NM (13.0 km)
Geographic Range
7NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.3450°
Longitude
133.7132°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
black and red

Structure: ISOLATED DANGER (IALA B) Black tower, black topmark, red banded, black base

References & Identifiers

Admiralty No.
M5504
NGA No.
8240
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Frequently Asked Questions

How far offshore can Habushiiwa Lighthouse be seen?+
With a focal height of 15 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Habushiiwa 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 Habushiiwa Lighthouse at night?+
Habushiiwa displays the characteristic Fl (2) W 5s — 2 white flashes every 5 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 Habushiiwa Lighthouse guide vessels into?+
Habushiiwa Lighthouse assists vessels approaching 5 nearby ports. The closest is Sanagi at 4.2 NM to the W. Other ports served include Tadotsu (4.3 NM SSE), Aoki (4.4 NM SE), Ikunohama (4.4 NM SE), Uga (4.4 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Habushiiwa Lighthouse still active and maintained?+
Yes, Habushiiwa 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 Habushiiwa Lighthouse?+
Habushiiwa 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 Habushiiwa Lighthouse?+
You can track vessels near Habushiiwa 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.