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Grøtsund and Ullsfjord Lighthouses Lighthouse

Oc (2) White/Red/Green 8s🇳🇴Tromsø, NOOperational

Location & Light Range

About Grøtsund and Ullsfjord Lighthouses Lighthouse

This fiberglass tower, built in 2018, stands on a point of land at the south side of the Grøtsund, a passage leading northeast from Tromsø. Standing 6 meters tall, it replaced an earlier square wooden tower. The structure is white with a red roof and features three black horizontal bands. Its light emits two white, red, or green flashes every 8 seconds, with the color changing depending on the direction of approach. The geographic range of the light is 8.4 nautical miles. The nearest port is Tromso, 9.2 km away.

Why it matters: The directional light system is essential for guiding vessels through the narrow Grøtsund passage, preventing groundings and ensuring efficient maritime traffic flow.

Light & Optic

Characteristic Signature
Oc (2) White/Red/Green 8s
Flash Type
Occulting
Light Color
White/Red/Green
Flash Count
2 flashes
Interval
8s
Raw Code
Oc(2) WRG 8s
Focal Height
5m
Geographic Range
8.4NM

Construction & History

Year Built
2018

Significant events: replaced a square wood tower

References & Identifiers

Nearest Port
Tromso(9.2 km)
Admiralty No.
L3650
NGA No.
13456

Tower & Structure

Tower Height
6m
Tower Shape
square
Tower Color
white with a red roof
Material
fiberglass

Structure: iberglass tower colored white with three black horizontal bands

Location

City
Tromsø
Country
🇳🇴Norway
Region
Troms
Sea Region
point of land on the south side of the Grøtsund, the passage of the inland waterway leading northeast from Tromsø
Latitude
69.7772°
Longitude
19.2739°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Grøtsund and Ullsfjord Lighthouses Lighthouse at night?+
Grøtsund and Ullsfjord Lighthouses displays the characteristic Oc (2) White/Red/Green 8s — 2 white/red/green flashes every 8 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 Grøtsund and Ullsfjord Lighthouses Lighthouse guide vessels into?+
Grøtsund and Ullsfjord Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Tromsø at 8.6 NM to the SW. Other ports served include Oldervik (8.7 NM E), Tromsdalen (9.3 NM SW), Bellvika (10.5 NM W), Dåfjord (12.6 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Grøtsund and Ullsfjord Lighthouses Lighthouse still active and maintained?+
Yes, Grøtsund and Ullsfjord Lighthouses 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 Grøtsund and Ullsfjord Lighthouses Lighthouse?+
You can track vessels near Grøtsund and Ullsfjord Lighthouses 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.