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Keilskjæret Lighthouse

Oc (3) White/Red/Green 12s🇳🇴Frøya, NOOperational

Location & Light Range

About Keilskjæret Lighthouse

This lighthouse is a 5.5-meter tall cylindrical concrete post, painted white with a red lantern roof. It stands on a skerry southwest of Halten lighthouse, offering a geographic range of 9.9 nautical miles. The light exhibits three white, red, or green occulting flashes every 12 seconds. Its nearest port, Lysoysund, is 20.8 kilometers away. The structure includes a lantern and gallery.

Why it matters: The light's sector capabilities are essential for vessels navigating the complex channels around the Halten archipelago, warning them of the skerry itself.

Light & Optic

Characteristic Signature
Oc (3) White/Red/Green 12s
Flash Type
Occulting
Light Color
White/Red/Green
Flash Count
3 flashes
Interval
12s
Raw Code
Oc(3) WGR 12s
Focal Height
8.5m
Geographic Range
9.9NM

Location

City
Frøya
Country
🇳🇴Norway
Region
Trøndelag
Sea Region
A skerry southwest of the Halten lighthouse in Norway
Latitude
64.1383°
Longitude
9.3240°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
5.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 5.5 m cylindrical concrete post with lantern and gallery, painted white with a red lantern roof.

References & Identifiers

Nearest Port
Lysoysund(20.8 km)
Admiralty No.
L1547
NGA No.
8172
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Frequently Asked Questions

How do mariners identify Keilskjæret Lighthouse at night?+
Keilskjæret displays the characteristic Oc (3) White/Red/Green 12s — 3 white/red/green flashes every 12 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/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Keilskjæret Lighthouse guide vessels into?+
Keilskjæret Lighthouse assists vessels approaching 5 nearby ports. The closest is Froan at 11.2 NM to the SW. Other ports served include Stokksund (20.1 NM ESE), Herfjord (20.4 NM ESE), Vallersund (20.6 NM SSE), Lysøysund (20.8 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Keilskjæret Lighthouse still active and maintained?+
Yes, Keilskjæret 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 Keilskjæret Lighthouse?+
You can track vessels near Keilskjæret 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.