KOEN
Miah Maull Shoal Light in the middle, with the lights within 20 km, in their listed colours.
Miah Maull Shoal Light — light characteristic, height, range
White, dark once every 4 seconds
Keep the white light on.Every 4 seconds, go dark once.Begin again.
- Characteristic
- Oc W 4s
- Height
- 59 ft · 18 m
- Nominal range
- 10 nmi = 19 km
- Structure
- Red conical tower, on gray caisson; red cylindrical watch room and black lantern.
- Remarks
- Red from 137.5° to 333°, covers Brandywine Shoal and Cross Ledge. HORN: 1 blast ev 10s (1s bl). Maintained from Mar. 15 to Dec. 15. Structure maintained by entity outside the U.S. Coast Guard.
- Position
- 39.1267°N, 75.2087°W · NJ

Lights nearby
- Delaware Bay Main Channel Lighted Buoy 25One green flash every 4 seconds · 1.2 km
- Delaware Bay Main Channel Light 19Continuous quick green flashes · 5.1 km
- Delaware Bay Main Channel Lighted Buoy 27One green flash every 2.5 seconds · 5.4 km
- Elbow of Cross Ledge LightWhite, 3 s on and 3 s off · 8.0 km
- Delaware Bay Main Channel Lighted Buoy 29Continuous quick green flashes · 8.2 km
- Egg Island Point LightOne white flash every 4 seconds · 8.3 km
- Fourteen Foot Bank LightOne white flash every 9 seconds · 9.0 km
- Maurice River Entrance Lighted Buoy 1One green flash every 4 seconds · 9.2 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