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Tenneskjær Lighthouse

Oc White/Red/Green 6s🇳🇴Hvaler, NOOperational

Location & Light Range

About Tenneskjær Lighthouse

Tenneskjær Lighthouse stands on a small skerry 2.5 kilometers northeast of Hauge, guiding vessels through narrow passages north of Vesterøy. The structure consists of a lantern and gallery mounted on four straight piles painted black, with the lantern itself featuring a white finish and a red roof. Its focal height is 4 meters, and it has a geographic range of 7.9 nautical miles. The light emits an occulting white, red, or green signal every 6 seconds, varying by direction. The site is open to visitors, but the tower remains closed.

Why it matters: This lighthouse is indispensable for safe passage through the constricted channels north of Vesterøy, warning mariners of the skerry and surrounding hazards. Its unique pile-supported construction adapted to its exposed location makes it a distinctive landmark.

Light & Optic

Characteristic Signature
Oc White/Red/Green 6s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
6s
Raw Code
Oc WRG 6s
Focal Height
4m
Geographic Range
7.9NM

Location

City
Hvaler
Country
🇳🇴Norway
Region
Østfold
Sea Region
Located on a small skerry about 2.5 km northeast of Hauge, guiding vessels in narrow passages north of Vesterøy.
Latitude
59.1347°
Longitude
10.9014°

References & Identifiers

Nearest Port
Hvaler(8.0 km)
Admiralty No.
B2268
NGA No.
228
ARLHS No.
NOR-391

Tower & Structure

Tower Color
white with a red roof

Structure: A lantern and gallery are mounted on four straight piles. The lantern is painted white with a red roof, and the piles are black.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Tenneskjær Lighthouse at night?+
Tenneskjær displays the characteristic Oc White/Red/Green 6s. 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 Tenneskjær Lighthouse guide vessels into?+
Tenneskjær Lighthouse assists vessels approaching 5 nearby ports. The closest is VIKERKILEN ROAD at 3.2 NM to the NNW. Other ports served include Utgårdskilen (3.3 NM SSW), Fredrikstad (3.7 NM NNE), GRESSVIK (4.5 NM N), Hvaler (7.9 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tenneskjær Lighthouse still active and maintained?+
Yes, Tenneskjær 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.
What shipping routes pass near Tenneskjær Lighthouse?+
Tenneskjær Lighthouse is located within the Baltic Sea trade route — a vital shipping corridor for trade between Scandinavian, German, Polish, and Baltic state ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Tenneskjær Lighthouse?+
You can track vessels near Tenneskjær 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.