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Ronehamn Lighthouse

Fl (3) White/Red/Green 9s🇸🇪Gotland Municipality, SEOperational

Location & Light Range

About Ronehamn Lighthouse

This concrete cylindrical tower, standing 11 meters tall, was built in 1963. Its upper half is painted white, while the lower half is black. The light emits three flashes in white, green, and red every nine seconds, a characteristic that changes depending on the viewing direction. The Ronehamn light station was first established in 1955, with the current structure replacing an earlier light. The lighthouse is situated in the Baltic Sea, approximately 4 kilometers east of Ronehamn. The site is open to visitors arriving by sea, but the tower itself is closed to the public.

Why it matters: The lighthouse's specific sector light provides precise navigational guidance for vessels approaching the coast and highlights potential hazards. Its distinctive tower is a recognized landmark for mariners in the Gotland archipelago.

Light & Optic

Characteristic Signature
Fl (3) White/Red/Green 9s
Flash Type
Flashing
Light Color
White/Red/Green
Flash Count
3 flashes
Interval
9s
Raw Code
Fl(3) WGR 9s
Focal Height
10m
Light Range
7NM (13.0 km)
Geographic Range
10.4NM

Construction & History

Year Built
1963

Significant events: Station established 1955

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
Upper half of tower painted white, lower half black
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Gotland Municipality
Country
🇸🇪Sweden
Region
Gotland County
Sea Region
Located in the Baltic Sea about 4 km east of Ronehamn.
Latitude
57.2182°
Longitude
18.6811°

References & Identifiers

Nearest Port
Ronehamn(6.8 km)
Admiralty No.
C7202
NGA No.
116-9932
ARLHS No.
SWE-327
Wikidata
Q40351021 →
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Frequently Asked Questions

How far offshore can Ronehamn Lighthouse be seen?+
With a focal height of 10 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Ronehamn 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 Ronehamn Lighthouse at night?+
Ronehamn displays the characteristic Fl (3) White/Red/Green 9s — 3 white/red/green flashes every 9 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 Ronehamn Lighthouse guide vessels into?+
Ronehamn Lighthouse assists vessels approaching 5 nearby ports. The closest is Tomtbod at 5.2 NM to the WSW. Other ports served include Ronehamn (7.1 NM WSW), Klintehamn (19 NM NW), Visby (27.8 NM NNW), Slite (30.2 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ronehamn Lighthouse still active and maintained?+
Yes, Ronehamn 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 Ronehamn Lighthouse?+
Ronehamn 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 Ronehamn Lighthouse?+
You can track vessels near Ronehamn 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.