KOEN
St. Johns Light in the middle, with the lights within 20 km, in their listed colours.
St. Johns Light — light characteristic, height, range
4 white flashes every 20 seconds
Count 20 seconds.Flash white, 4 times.Begin again.
- Characteristic
- Fl (4)W 20s
- Height
- 83 ft · 25 m
- Nominal range
- 19 nmi = 35 km
- Structure
- White square tower on building.
- Remarks
- Obscured from 179° to 354°. F R aerial obstruction light atop lantern.
- Position
- 30.3862°N, 81.3980°W · FL
Lights nearby
- Mayport Basin Channel Lighted Buoy 4One red flash every 4 seconds · 1.3 km
- Mayport Basin Channel Lighted Buoy 1One green flash every 4 seconds · 1.4 km
- Mayport Basin Preferred Channel Lighted Buoy2+1 green flashes every 6 seconds · 1.5 km
- St Johns River Lighted Buoy 7One green flash every 4 seconds · 1.8 km
- St Johns River Lighted Buoy 10One red flash every 4 seconds · 1.9 km
- Mayport Basin Range Front LightContinuous quick green flashes · 1.9 km
- Mayport Basin Range Rear LightGreen, 3 s on and 3 s off · 2.0 km
- St Johns River Lighted Buoy 8One red flash every 4 seconds · 2.1 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