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Lehmä Lighthouse

Oc White 6s🇫🇮Kotka, FIOperational

Location & Light Range

About Lehmä Lighthouse

Also known as: Lehmä (Viikari Range Rear)

A 25-meter square skeletal steel tower stands on Lehmäsaari, an island southeast of Kotka, Finland. This structure supports a rectangular daymark painted red with a yellow vertical stripe. Its light, situated 37 meters above sea level, emits an occulting white flash every 6 seconds, visible for 16.6 nautical miles. The lighthouse guides vessels approaching Kotka from the west, keeping them parallel to the coast. It was dropped from the Admiralty list but remains on the 2024 Finnish list.

Why it matters: This lighthouse is indispensable for safe navigation into Kotka, specifically guiding vessels approaching from the west along the coast.

Light & Optic

Characteristic Signature
Oc White 6s
Flash Type
Occulting
Light Color
White
Interval
6s
Raw Code
Oc W 6s
Focal Height
37m
Geographic Range
16.6NM

Construction & History

Significant events: Dropped from Admiralty list, on 2024 Finnish list

References & Identifiers

Nearest Port
Kotka(1.5 km)
Admiralty No.
C5356.1
NGA No.
13696

Tower & Structure

Tower Height
25m
Tower Shape
square
Tower Color
red with a yellow vertical stripe
Material
steel

Structure: square skeletal tower carrying a rectangular daymark painted red with a yellow vertical stripe

Location

City
Kotka
Country
🇫🇮Finland
Region
Kymenlaakso
Sea Region
Lehmäsaari, an island southeast of Kotka, guiding vessels approaching Kotka from the west parallel to the coast
Latitude
60.4176°
Longitude
26.9844°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Lehmä Lighthouse at night?+
Lehmä displays the characteristic Oc White 6s. 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 Lehmä Lighthouse guide vessels into?+
Lehmä Lighthouse assists vessels approaching 5 nearby ports. The closest is Kotka at 3.7 NM to the NNW. Other ports served include Sunila (4.1 NM NNW), Siltakylä (Broby) (7.6 NM WNW), Lakulahti (8 NM NE), Summa (8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lehmä Lighthouse still active and maintained?+
Yes, Lehmä 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 Lehmä Lighthouse?+
Lehmä 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 Lehmä Lighthouse?+
You can track vessels near Lehmä 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.