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Slottsbredan Lighthouse

Fl (2) White/Red/Green 6s🇸🇪Mönsterås kommun, SEOperational

Location & Light Range

About Slottsbredan Lighthouse

Slottsbredan lighthouse was built in 1944 as a concrete cylindrical tower standing 21 meters tall. It is painted black with a single green horizontal band and features a lantern with a double gallery. This structure is mounted on a round concrete pier situated on a shoal approximately 5 kilometers northwest of Borgholm, on the island of Öland. The light emits two white, red, or green flashes every 6 seconds, with the color changing depending on the direction. The site is open to visitors arriving by boat, but the tower itself is closed to the public.

Why it matters: This lighthouse warns vessels navigating the waters northwest of Borgholm of a submerged hazard. Its sector light provides specific directional warnings, guiding ships away from the shoal.

Light & Optic

Characteristic Signature
Fl (2) White/Red/Green 6s
Flash Type
Flashing
Light Color
White/Red/Green
Flash Count
2 flashes
Interval
6s
Raw Code
Fl(2) WRG 6s
Focal Height
20m
Light Range
8.6NM (15.9 km)
Geographic Range
13.2NM

Construction & History

Year Built
1944

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
21m
Tower Shape
cylindrical
Tower Color
black with one green horizontal band
Material
concrete

Structure: round cylindrical tower with lantern and double gallery, mounted on a round concrete pier

Location

City
Mönsterås kommun
Country
🇸🇪Sweden
Region
Kalmar County
Sea Region
on a shoal about 5 km northwest of Borgholm, Öland
Latitude
56.9284°
Longitude
16.6004°

References & Identifiers

Nearest Port
Borgholm(3.2 km)
Admiralty No.
C7332
NGA No.
116-7976
ARLHS No.
SWE-353
Wikidata
Q40038512 →
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Frequently Asked Questions

How far offshore can Slottsbredan Lighthouse be seen?+
With a focal height of 20 meters and a nominal range of 8.6 nautical miles (approximately 15.9 km), Slottsbredan is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Slottsbredan Lighthouse at night?+
Slottsbredan displays the characteristic Fl (2) White/Red/Green 6s — 2 white/red/green flashes every 6 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 Slottsbredan Lighthouse guide vessels into?+
Slottsbredan Lighthouse assists vessels approaching 5 nearby ports. The closest is Borgholm at 3.3 NM to the SSE. Other ports served include Pataholm (6.1 NM W), Mönsterås (8.3 NM NW), Kårehamn (9.9 NM E), Jättersön (10.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Slottsbredan Lighthouse still active and maintained?+
Yes, Slottsbredan 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 Slottsbredan Lighthouse?+
Slottsbredan 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 Slottsbredan Lighthouse?+
You can track vessels near Slottsbredan 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.