KOEN
Porin majakka in the middle, with the lights within 20 km, in their listed colours.
Porin majakka — light characteristic, height, range
One white flash every 12 seconds
Count 12 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 12s
- Height
- 19 m
- Nominal range
- 9.8 nmi = 18 km
- Type
- Merimajakka
- Position
- 61.7066°N, 21.2274°E

Lights nearby
- AnnabellaOne green flash every 3 seconds · 3.6 km
- HaminakariOne red flash every 3 seconds · 6.7 km
- KoirahautaOne red flash every 3 seconds · 8.1 km
- HylkiriuttaOne green flash every 3 seconds · 8.7 km
- Santakari alempiContinuous quick white flashes · 8.9 km
- Santakari ylempiOne long white flash every 6 seconds · 9.1 km
- Silakkariutta 2One green flash every 3 seconds · 9.4 km
- Silakkariutta 1One red flash every 3 seconds · 9.4 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: Väylävirasto aids to navigation (Finnish Transport Infrastructure Agency) (opens in a new tab) · Checked