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Masterskjæret Lighthouse

Oc White/Red/Green 6s🇳🇴Nærøysund, NOOperational

Location & Light Range

About Masterskjæret Lighthouse

Masterskjæret is a 9-meter concrete post lighthouse painted white, topped with a gallery and a red lantern roof. It is situated on a skerry in the sound between Ytre Vikna and Kalvøy in Norway's Trøndelag region. The light emits an occulting white, green, or red signal on a 6-second cycle. This light has a geographic range of 9.5 nautical miles and a focal height of 7.5 meters. The site is open to the public, though the tower itself is closed. The nearest port is Rorvik, located 11.6 kilometers away.

Why it matters: Masterskjæret is essential for guiding vessels through the narrow and potentially hazardous sound between Ytre Vikna and Kalvøy. Its distinctive sector light, displaying white, red, or green, provides precise directional guidance, ensuring ships avoid the skerry it sits upon and other submerged obstacles.

Light & Optic

Characteristic Signature
Oc White/Red/Green 6s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
6s
Raw Code
Oc WGR 6s
Focal Height
7.5m
Geographic Range
9.5NM

Location

City
Nærøysund
Country
🇳🇴Norway
Region
Trøndelag
Sea Region
A skerry in the sound between Ytre Vikna and Kalvøy
Latitude
64.9401°
Longitude
10.8199°

References & Identifiers

Nearest Port
Rorvik(11.6 km)
Admiralty No.
L1895.4
NGA No.
9092

Tower & Structure

Tower Height
9m
Tower Color
white
Material
concrete

Structure: A 9m concrete post with lantern and gallery, painted white with a red lantern roof.

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 Masterskjæret Lighthouse at night?+
Masterskjæret displays the characteristic Oc White/Red/Green 6s. 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/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Masterskjæret Lighthouse guide vessels into?+
Masterskjæret Lighthouse assists vessels approaching 5 nearby ports. The closest is Rørvik at 11.7 NM to the ESE. Other ports served include Djupvik (11.9 NM E), Ottersøy (12.6 NM ESE), Ottersøya (12.8 NM ESE), Abelvær (15.5 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Masterskjæret Lighthouse still active and maintained?+
Yes, Masterskjæret 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 Masterskjæret Lighthouse?+
Masterskjæret Lighthouse is located within the Baltic Sea trade route — a vital shipping corridor for trade between Scandinavian, German, Polish, and Baltic state ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Masterskjæret Lighthouse?+
You can track vessels near Masterskjæret 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.