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Svettgrund Lighthouse

Fl White/Red/Green 3s🇫🇮Korsnäs, FIOperational

Location & Light Range

About Svettgrund Lighthouse

The Svettgrund lighthouse is situated on a skerry approximately 2 kilometers off the northwest coast of Halsön. This square pyramidal skeletal daybeacon stands 12.5 meters tall and is constructed of wood. It features a large, diamond-shaped daymark painted deep red. The focal height of the light is 11 meters, and it emits a white, red, or green sector light on a 3-second cycle. The lighthouse has a geographic range of 10.7 nautical miles. While the surrounding site is open to the public, the tower itself remains closed.

Why it matters: The Svettgrund lighthouse's sector light is essential for guiding vessels through the specific channels and around the skerries off Halsön's coast. Its distinctive deep red daymark makes it a unique visual landmark in the Finnish archipelago.

Light & Optic

Characteristic Signature
Fl White/Red/Green 3s
Flash Type
Flashing
Light Color
White/Red/Green
Interval
3s
Raw Code
Fl WGR 3s
Focal Height
11m
Light Range
5.1NM (9.4 km)
Geographic Range
10.7NM

Location

City
Korsnäs
Country
🇫🇮Finland
Region
Ostrobothnia
Sea Region
Located on a skerry about 2 km off the northwest coast of Halsön.
Latitude
62.8680°
Longitude
21.0709°

References & Identifiers

Nearest Port
Vaasa(18.5 km)
Admiralty No.
C4302
NGA No.
17804
ARLHS No.
FIN-059
Wikidata
Q61993595 →

Tower & Structure

Tower Height
12.5m
Tower Shape
square
Tower Color
deep red
Material
wood

Structure: square pyramidal skeletal daybeacon carrying a large, diamond-shaped wood daymark painted deep red

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Svettgrund Lighthouse be seen?+
With a focal height of 11 meters and a nominal range of 5.1 nautical miles (approximately 9.4 km), Svettgrund is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Svettgrund Lighthouse at night?+
Svettgrund displays the characteristic Fl White/Red/Green 3s. 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 Svettgrund Lighthouse guide vessels into?+
Svettgrund Lighthouse assists vessels approaching 5 nearby ports. The closest is BERGO at 5.7 NM to the NNE. Other ports served include MALAX (13 NM ENE), Töjby (13.3 NM SSE), Kronvik (14.4 NM NE), Vasa (Vaasa) (18.5 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Svettgrund Lighthouse still active and maintained?+
Yes, Svettgrund 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 Svettgrund Lighthouse?+
Svettgrund 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 Svettgrund Lighthouse?+
You can track vessels near Svettgrund 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.