Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Hosnaøyan Lighthouse

Fl White/Red/Green 5s🇳🇴Åfjord, NOOperational

Location & Light Range

About Hosnaøyan Lighthouse

This square lighthouse, standing 8 meters tall, is situated on a small island northwest of Stokkøy in Åfjord, Trøndelag. Its focal plane reaches 30 meters above sea level. The structure consists of a square tower topped with a lantern and gallery. The lighthouse emits a white, red, or green light, with a flash characteristic of one flash every 5 seconds. Its geographic range extends to 15.3 nautical miles. The site is open to the public, but the tower itself remains closed.

Why it matters: The lighthouse's sector light system is essential for guiding vessels through the complex archipelago northwest of Stokkøy, providing critical directional information with its changing colors to avoid navigational hazards.

Light & Optic

Characteristic Signature
Fl White/Red/Green 5s
Flash Type
Flashing
Light Color
White/Red/Green
Interval
5s
Raw Code
Fl W,R,G 5s
Focal Height
30m
Geographic Range
15.3NM

Location

City
Åfjord
Country
🇳🇴Norway
Region
Trøndelag
Sea Region
An island northwest of Stokkøy
Latitude
64.1044°
Longitude
9.8917°

References & Identifiers

Nearest Port
Roan(9.4 km)
Admiralty No.
L1670
NGA No.
8408

Tower & Structure

Tower Height
8m
Tower Shape
square
Tower Color
white

Structure: square tower with lantern and gallery

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Hosnaøyan Lighthouse on the live nautical map

Plan voyages near Norway, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Hosnaøyan Lighthouse at night?+
Hosnaøyan displays the characteristic Fl White/Red/Green 5s. 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 Hosnaøyan Lighthouse guide vessels into?+
Hosnaøyan Lighthouse assists vessels approaching 5 nearby ports. The closest is Stokksund at 6 NM to the SE. Other ports served include Herfjord (7.3 NM SSE), Nordfosen (12 NM SE), Brandsfjord (12.9 NM ENE), Lysøysund (13.1 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hosnaøyan Lighthouse still active and maintained?+
Yes, Hosnaøyan 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 Hosnaøyan Lighthouse?+
Hosnaøyan 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 Hosnaøyan Lighthouse?+
You can track vessels near Hosnaøyan 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.