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

Olaskjær Lighthouse

Oc White/Red/Green 4s🇳🇴Bremanger, NOOperational

Location & Light Range

About Olaskjær Lighthouse

Olaskjær lighthouse is a 10-meter cylindrical tower situated on a reef at the entrance to Frøysjøen. The structure consists of a platform supported by four black piles, with a white lantern and a red roof at the top. It emits an occulting white, red, and green light with a cycle of 4 seconds. The lighthouse's focal height is 10.5 meters, providing a geographic range of 10.5 nautical miles. The site is open to visitors, though the tower itself remains closed. The nearest port is Dyrstad, located 6.6 kilometers away.

Why it matters: This lighthouse is essential for vessels navigating the entrance to Frøysjøen, warning them of the reef it occupies.

Light & Optic

Characteristic Signature
Oc White/Red/Green 4s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
4s
Raw Code
Oc WRG 4s
Focal Height
10.5m
Geographic Range
10.5NM

Location

City
Bremanger
Country
🇳🇴Norway
Region
Vestland
Sea Region
reef in the middle of the entrance to the Frøysjøen
Latitude
61.7254°
Longitude
4.9481°

References & Identifiers

Nearest Port
Dyrstad(6.6 km)
Admiralty No.
L0354
NGA No.
5272

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
black

Structure: A 10m structure consisting of a platform supported by four black piles, topped with a white lantern and a red roof.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

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

Find Olaskjær Lighthouse on the live nautical map

Plan voyages near Norway, 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 do mariners identify Olaskjær Lighthouse at night?+
Olaskjær displays the characteristic Oc White/Red/Green 4s. 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 Olaskjær Lighthouse guide vessels into?+
Olaskjær Lighthouse assists vessels approaching 5 nearby ports. The closest is Kalvåg at 3.1 NM to the NW. Other ports served include Iglandsvik (6.5 NM N), Dyrstad (6.7 NM ENE), Botnaneset - Flora (7.3 NM SSE), Flora (7.9 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Olaskjær Lighthouse still active and maintained?+
Yes, Olaskjær 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 Olaskjær Lighthouse?+
You can track vessels near Olaskjær 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.