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Kalstø Lighthouse

Oc (3) White/Red/Green 10s🇳🇴Karmøy, NOOperational

Also known as: Kalstø (Kallstø)

Kalstø lighthouse is a white, square pyramidal tower with a lantern and gallery. The structure measures 8 meters in height, with the light source situated 22 meters above sea level. Located on the western side of Karmøy in Norway's Rogaland region, it is positioned southwest of Visnes. The light displays an Oc(3) 10s characteristic, emitting three white occulting flashes every ten seconds. Its visibility extends to a geographic range of 13.6 nautical miles. The lighthouse is situated 2.9 kilometers from Vedavagen, the closest port.

Why it matters: The light's sectors (white, red, and green) mark specific dangers on Karmøy's western coast. Its three-flash occulting signal provides a distinct identification, preventing confusion with other lights in this active maritime zone and facilitating safe navigation.

Characteristic Signature
Oc (3) White/Red/Green 10s
Flash Type
Occulting
Light Color
White/Red/Green
Flash Count
3 flashes
Interval
10s
Raw Code
Oc(3) 10s
Focal Height
22m
Geographic Range
13.6NM
City
Karmøy
Country
🇳🇴Norway
Region
Rogaland
Sea Region
west side of Karmøy, southwest of Visnes
Latitude
59.3384°
Longitude
5.1884°
Flag
Type
Name
Dist.
Tower Height
8m
Tower Shape
square
Tower Color
white

Structure: square pyramidal tower with lantern and gallery

Nearest Port
Vedavagen(2.9 km)
ARLHS No.
NOR-447
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How do mariners identify Kalstø Lighthouse at night?+
Kalstø displays the characteristic Oc (3) White/Red/Green 10s — 3 white/red/green 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/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Kalstø Lighthouse guide vessels into?+
Kalstø Lighthouse assists vessels approaching 5 nearby ports. The closest is Avaldsnes at 2.5 NM to the ENE. Other ports served include Sund - Karmøy (2.7 NM SSE), Vedavågen (2.8 NM SSE), Bøneset - Karmøy (3.4 NM ENE), Husøy - Karmøy (3.4 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kalstø Lighthouse still active and maintained?+
Yes, Kalstø 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 Kalstø Lighthouse?+
You can track vessels near Kalstø 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.