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

Samekado Lighthouse

Fl W 8s🇯🇵Honshu-East Coast, JPInactive

Location & Light Range

About Samekado Lighthouse

This white, round concrete lighthouse stands 75 meters tall. It was built and first lit in 1938. The tower features a lantern and gallery, and is attached to a two-story equipment building. Its light emits an isophase white flash on a 4-second cycle. The focal height is 58 meters, providing a geographic range of 12 nautical miles. The structure is located on Honshu's East Coast.

Light & Optic

Characteristic Signature
Fl W 8s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Iso.W. period 4s
Focal Height
58m
Light Range
19NM (35.2 km)
Geographic Range
12NM

Construction & History

Year Built
1938

References & Identifiers

Admiralty No.
M6620
NGA No.
3896
ARLHS No.
JPN-535
Wikidata
Q11674206 →

Tower & Structure

Tower Height
75m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 75

Location

City
Honshu-East Coast
Country
🇯🇵JP
Latitude
40.5397°
Longitude
141.5761°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Samekado 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 Samekado Lighthouse be seen?+
With a focal height of 58 meters and a nominal range of 19 nautical miles (approximately 35.2 km), Samekado 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 Samekado Lighthouse at night?+
Samekado displays the characteristic Fl W 8s — 1 white flash every 8 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 Samekado Lighthouse guide vessels into?+
Samekado Lighthouse assists vessels approaching 5 nearby ports. The closest is Noh at 1.3 NM to the WSW. Other ports served include Hachinohe (2.7 NM WNW), Sakaki (6.2 NM SE), Kofu (6.8 NM SE), MISAWA (10.6 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Samekado Lighthouse still active and maintained?+
Samekado 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 Samekado Lighthouse?+
Samekado 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 Samekado Lighthouse?+
You can track vessels near Samekado 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.