KOEN
Shiroyama (若狭高浜島堤燈台) in the middle, with the lights within 20 km, in their listed colours.
Shiroyama (若狭高浜島堤燈台) — light characteristic, height, range
One white flash every 3 seconds
Count 3 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 3s
- Height
- 27 m
- Nominal range
- 15 nmi = 28 km
- Type
- light major
- Position
- 35.4968°N, 135.5503°E

Lights nearby
- One green flash every 3 seconds · 16 km
- Morse A (·−) in green every 8 seconds · 19 km
- One white flash every 4 seconds · 19 km
- Kyoga Misaki (Kyoga Misaki)3 white flashes every 20 seconds · 43 km
- One white flash every 4 seconds · 67 km
- One red flash every 5 seconds · 82 km
- One red flash every 3 seconds · 85 km
- One green flash every 3 seconds · 85 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: OpenStreetMap seamarks (OSM) (opens in a new tab) · Checked