Ship John Shoal Light — light characteristic, height, range

One white flash every 5 seconds

Count 5 seconds.Flash white, once.Begin again.

Characteristic: Fl W 5s
Height: 50 ft · 15 m
Nominal range: 16 nmi = 30 km
Structure: Brown, octagonal dwelling with pyramidal roof; on cylindrical pier.
Remarks: Red from 138° to 321.5°, covers shoals on east channel. High intensity beam down Miah Maul Range. HORN: 1 blast ev 15s (2s bl 13s si). Horn maintained from Mar. 15 to Dec. 15. Structure Maintained by entity outside the U.S. Coast Guard.
Position: 39.3053°N, 75.3767°W · NJ

Ship John Shoal Light in the middle, with the lights within 20 km, in their listed colours.

Lights nearby

Cohansey LightOne white flash every 4 seconds · 4.3 km
Cohansey Outer Light 1CContinuous quick green flashes · 4.4 km
Delaware Bay Main Channel Lighted Buoy 35One green flash every 2.5 seconds · 5.1 km
Leipsic River Light 2One red flash every 4 seconds · 7.1 km
Delaware Bay Main Channel Lighted Buoy 42One red flash every 4 seconds · 7.3 km
Delaware Bay Main Channel Lighted Buoy 34One red flash every 4 seconds · 8.3 km
Delaware Bay Main Channel Light 32Continuous quick red flashes · 10 km
Delaware Bay Main Channel Lighted Buoy 44One red flash every 6 seconds · 11 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).