KOEN
Guard Island Light in the middle, with the lights within 20 km, in their listed colours.
Guard Island Light — light characteristic, height, range
One white flash every 10 seconds
Count 10 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 10s
- Height
- 74 ft · 23 m
- Nominal range
- 13 nmi = 24 km
- Remarks
- Emergency light (Fl W 6s) of reduced intensity when main light is extinguished.
- Position
- 55.4459°N, 131.8811°W · AK
Lights nearby
- Vallenar Rock LightOne white flash every 2.5 seconds · 2.0 km
- Pond Reef LB 16One red flash every 2.5 seconds · 3.9 km
- Pond Reef Light 16One red flash every 2.5 seconds · 4.3 km
- Clover Passage Entrance LightOne white flash every 6 seconds · 5.6 km
- Rosa Reef Light 15One green flash every 6 seconds · 6.1 km
- Caamano Point LightOne white flash every 6 seconds · 8.7 km
- Danger Island LightOne white flash every 4 seconds · 8.8 km
- Ohio Rock Lighted Buoy OR2+1 red flashes every 6 seconds · 8.8 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: U.S. Coast Guard Light List (opens in a new tab) · Checked