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Grønsund Forfyr Lighthouse

Oc White 2s🇩🇰Guldborgsund Municipality, DKOperational

Location & Light Range

About Grønsund Forfyr Lighthouse

Grønsund Forfyr was built in 1891 as a hexagonal brick tower standing 13 meters tall. Its focal height is 12 meters, and it emits a white light with a characteristic of one occlusion every 2 seconds. The light is shown through a rectangular window in the tower. This lighthouse is located on Gammel Faergevej, at the northeastern corner of Falster, near the Grønsund strait. The grounds are open to visitors, though the tower itself remains closed to the public. Its geographic range is 11 nautical miles.

Why it matters: This lighthouse is important for guiding vessels through the Grønsund strait, a key navigational channel. Its directional light helps ships maintain a safe course through these waters.

Light & Optic

Characteristic Signature
Oc White 2s
Flash Type
Occulting
Light Color
White
Interval
2s
Raw Code
Oc W 2s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1891

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
hexagonal
Tower Color
white
Material
brick

Structure: hexagonal brick tower; the light is shown through a rectangular window

Location

City
Guldborgsund Municipality
Country
🇩🇰Denmark
Region
Region Zealand
Sea Region
Grønsund strait, at the northeastern corner of Falster, on Gammel Faergevej
Latitude
54.8836°
Longitude
12.1202°

References & Identifiers

Nearest Port
Stubbekobing(2.6 km)
Admiralty No.
C2166
ARLHS No.
DEN-136
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Frequently Asked Questions

How do mariners identify Grønsund Forfyr Lighthouse at night?+
Grønsund Forfyr displays the characteristic Oc White 2s. 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 color may indicate a specific sector or warning zone.
Which ports and harbors does Grønsund Forfyr Lighthouse guide vessels into?+
Grønsund Forfyr Lighthouse assists vessels approaching 5 nearby ports. The closest is Stubbekøbing at 2.7 NM to the WNW. Other ports served include Bogo By (3 NM NW), KALVEHAVE HAVN (6.8 NM NNE), Stensved (7.6 NM NNW), Stege (8.2 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Grønsund Forfyr Lighthouse still active and maintained?+
Yes, Grønsund Forfyr 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 Grønsund Forfyr Lighthouse?+
Grønsund Forfyr 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 Grønsund Forfyr Lighthouse?+
You can track vessels near Grønsund Forfyr 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.