KOEN
Tennholmen in the middle, with the lights within 20 km, in their listed colours.
Tennholmen — light characteristic, height, range
One white flash every 10 seconds
Count 10 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 10s
- Height
- 27 m
- Nominal range
- 11.7 nmi = 22 km
- Type
- Fyrstasjon
- Position
- 67.3020°N, 13.4980°E · Nordland

Lights nearby
- Givær2 white flashes every 5 seconds (colours listed: white, red, green) · 9.0 km
- JektskjæretGreen, 1 s on and 1 s off · 9.9 km
- KjønnøybåenContinuous quick red flashes · 10 km
- KjønnøyContinuous quick green flashes · 10 km
- KammarøybåenRed, 1 s on and 1 s off · 18 km
- Grytøy2 white flashes every 10 seconds (colours listed: white, red) · 18 km
- AltersholmenWhite, 2 s on and 2 s off (colours listed: white, red, green) · 18 km
- Grimsholmen, VContinuous quick green flashes · 18 km
Not for navigation. Use the country's official charts and Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: Kystverket navigation aids (Norwegian Coastal Administration) (opens in a new tab) · Checked