Ten Pound Island Light — light characteristic, height, range

Red, 3 s on and 3 s off

On for 3 seconds.Off for 3 seconds.Begin again.

Characteristic: Iso R 6s
Height: 57 ft · 17 m
Nominal range: 5 nmi = 9 km
Structure: White conical tower.
Remarks: HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s si). Fog signal is radio activated, during times of reduced visibility, turn marine VHF-FM radio to channel 83A/157.175Mhz. Key microphone 5 times consecutively, to activate fog signal for 60 minutes.
Position: 42.6019°N, 70.6656°W · MA

Ten Pound Island Light in the middle, with the lights within 20 km, in their listed colours.

Lights nearby

Gloucester Inner Harbor Channel Lighted Buoy 10One red flash every 2.5 seconds · 383 m
Gloucester Inner Harbor Channel Lighted Buoy 9One green flash every 4 seconds · 434 m
Tenpound Island Ledge Lighted Buoy 6One red flash every 4 seconds · 839 m
Gloucester Inner Harbor Channel Lighted Buoy 12One red flash every 4 seconds · 869 m
Annisquam River South Entrance Danger Lighted BuoyContinuous quick white flashes · 959 m
Praire Ledge Lighted Buoy 7One green flash every 4 seconds · 962 m
Gloucester Inner Harbor Junction Lighted Buoy GH2+1 red flashes every 6 seconds · 1.1 km
Annisquam River Channel Light 48One red flash every 4 seconds · 1.7 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).