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Rosholmen Lighthouse

Fl White/Red/Green 5s🇳🇴Giske, NOOperational

Location & Light Range

About Rosholmen Lighthouse

This conical iron tower, standing 8 meters tall, was first lit in 1908. It is situated on a skerry approximately 2 kilometers northwest of Vigra. The lighthouse emits a white, red, or green light in a five-second cycle, providing directional guidance. The tower itself is painted white and topped with a lantern. The station was initially established in 1881, with the current structure being built in 1908. Its focal height reaches 14 meters, offering a geographic range of 11.6 nautical miles.

Why it matters: Rosholmen lighthouse is essential for safe navigation northwest of Vigra, warning mariners of the skerry and guiding them through local channels with its directional colored flashes.

Light & Optic

Characteristic Signature
Fl White/Red/Green 5s
Flash Type
Flashing
Light Color
White/Red/Green
Interval
5s
Raw Code
Fl WRG 5s
Focal Height
14m
Geographic Range
11.6NM

Construction & History

Year Built
1908

Significant events: station established 1881

References & Identifiers

Nearest Port
Haram(9.8 km)
Admiralty No.
L0856
NGA No.
6228
ARLHS No.
NOR-231

Tower & Structure

Tower Height
8m
Tower Shape
conical
Tower Color
white
Material
iron

Structure: conical iron tower with lantern

Location

City
Giske
Country
🇳🇴Norway
Region
Møre og Romsdal
Sea Region
Located on a skerry about 2 km northwest of Vigra.
Latitude
62.6431°
Longitude
5.9240°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Rosholmen Lighthouse at night?+
Rosholmen displays the characteristic Fl White/Red/Green 5s. 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 Rosholmen Lighthouse guide vessels into?+
Rosholmen Lighthouse assists vessels approaching 5 nearby ports. The closest is Gjøsundet at 8.8 NM to the SE. Other ports served include Flem (8.9 NM ENE), Giske (9.4 NM SSE), LONGVA (9.7 NM E), Godøya (10.9 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rosholmen Lighthouse still active and maintained?+
Yes, Rosholmen 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 Rosholmen Lighthouse?+
You can track vessels near Rosholmen 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.