Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Iwami-osakihana Lighthouse

Fl W 10s🇯🇵Honshu-Northwest Coast, JPInactive

Location & Light Range

About Iwami-osakihana Lighthouse

This lighthouse features a white octagonal tower with distinctive red bands. Constructed from fiberglass, it stands 13 meters tall. The light emits a single white flash every 10 seconds. The focal height reaches 72 meters, providing a geographic range of 20 nautical miles. The structure is painted white with red banding.

Light & Optic

Characteristic Signature
Fl W 10s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
10s
Raw Code
Fl.W. period 10s
Focal Height
72m
Light Range
20NM (37.0 km)
Geographic Range
20NM

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
34.9760°
Longitude
132.1525°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
octagonal
Tower Color
white and red
Material
fiberglass

Structure: White octagonal tower, red banded; 13. CANADA-NEWFOUNDLAND 28

References & Identifiers

Admiralty No.
M7347
NGA No.
1856
Live tracking · 50,000+ mariners

Find Iwami-osakihana Lighthouse on the live nautical map

Plan voyages near JP, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How far offshore can Iwami-osakihana Lighthouse be seen?+
With a focal height of 72 meters and a nominal range of 20 nautical miles (approximately 37.0 km), Iwami-osakihana 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 Iwami-osakihana Lighthouse at night?+
Iwami-osakihana displays the characteristic Fl W 10s — 1 white flash every 10 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 Iwami-osakihana Lighthouse guide vessels into?+
Iwami-osakihana Lighthouse assists vessels approaching 5 nearby ports. The closest is Hamada at 7.9 NM to the SW. Other ports served include Yunotsu (11.7 NM NE), Yoshiura (12.4 NM SW), Amiya (15.3 NM NE), Misumi, Shimane (15.9 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Iwami-osakihana Lighthouse still active and maintained?+
Iwami-osakihana Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Iwami-osakihana Lighthouse?+
Iwami-osakihana 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 Iwami-osakihana Lighthouse?+
You can track vessels near Iwami-osakihana 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.