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Nokkamappu Saki Lighthouse

Fl (2) White 10s🇯🇵Nemuro, JPOperational

Location & Light Range

About Nokkamappu Saki Lighthouse

This concrete lighthouse stands 11 meters tall with a focal height of 21 meters on a promontory northeast of Nemuro, Japan. The octagonal cylindrical tower is painted with black and white horizontal bands. Its light emits two white flashes every 10 seconds, visible for 13.4 nautical miles. The site is open to the public, but the tower is closed. The nearest port is Nemuro, located 4.4 kilometers away.

Why it matters: The lighthouse marks the Nokkamappu Saki promontory, providing a visual reference for vessels navigating the waters off Nemuro.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
21m
Geographic Range
13.4NM

Location

City
Nemuro
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located on a promontory 8 km northeast of Nemuro, Japan.
Latitude
43.3914°
Longitude
145.6550°

References & Identifiers

Nearest Port
Nemuro(4.4 km)
Admiralty No.
M6847
NGA No.
440
ARLHS No.
JPN-928

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
with black and white horizontal bands
Material
concrete

Structure: octagonal cylindrical concrete tower with lantern and gallery, painted with black and white horizontal bands

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nokkamappu Saki Lighthouse at night?+
Nokkamappu Saki displays the characteristic Fl (2) White 10s — 2 white flashes 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Nokkamappu Saki Lighthouse guide vessels into?+
Nokkamappu Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Nemuro at 4.7 NM to the SW. Other ports served include Nasa (7.2 NM SSW), Hanasaki (7.5 NM SSW), Shibetsu (27.9 NM NW), Kiritappu (29.6 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nokkamappu Saki Lighthouse still active and maintained?+
Yes, Nokkamappu Saki 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 Nokkamappu Saki Lighthouse?+
You can track vessels near Nokkamappu Saki 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.