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Kuskjær Lighthouse

Iso White/Red/Green 4s🇳🇴Hvaler, NOOperational

Location & Light Range

About Kuskjær Lighthouse

This 6-meter lantern, atop a platform supported by four black piles, stands on a skerry off the north coast of Søndre Sandøy. The lantern is white with a red roof. Its light cycles through white, red, and green, with an isophase white light on a 4-second cycle. This navigational aid guides vessels through the narrow passage between Nordre Sandøy and Søndre Sandøy, islands east of Kirkøy. The site is open to visitors, though the structure itself is closed. The lighthouse is 1.8 km from the nearest port in Hvaler.

Why it matters: The directional light from Kuskjær is essential for safe passage through the narrow, island-filled channel between Nordre Sandøy and Søndre Sandøy, preventing groundings and collisions for local and recreational craft.

Light & Optic

Characteristic Signature
Iso White/Red/Green 4s
Flash Type
Isophase
Light Color
White/Red/Green
Interval
4s
Raw Code
Iso WGR 4s
Focal Height
6m
Geographic Range
8.9NM

Location

City
Hvaler
Country
🇳🇴Norway
Region
Østfold
Sea Region
Located on a skerry off the north coast of Søndre Sandøy, guiding vessels through the narrow passage between Nordre Sandøy and Søndre Sandøy, islands off the east side of Kirkøy.
Latitude
59.0257°
Longitude
11.0996°

References & Identifiers

Nearest Port
Hvaler(1.8 km)
Admiralty No.
B2226
NGA No.
0128
ARLHS No.
NOR-388

Tower & Structure

Tower Color
white with a red roof

Structure: A 6m lantern on a platform supported by four piles. The lantern is painted white with a red roof, and the piles are painted 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 Kuskjær Lighthouse at night?+
Kuskjær displays the characteristic Iso 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 Kuskjær Lighthouse guide vessels into?+
Kuskjær Lighthouse assists vessels approaching 5 nearby ports. The closest is Hvaler at 1.9 NM to the W. Other ports served include Skjærhalden (2.1 NM WSW), Strömstad (6.1 NM SSE), Utgårdskilen (8 NM WNW), Halden (10.4 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kuskjær Lighthouse still active and maintained?+
Yes, Kuskjær 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 Kuskjær Lighthouse?+
Kuskjær 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 Kuskjær Lighthouse?+
You can track vessels near Kuskjær 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.