KOEN
Long Island Head Light in the middle, with the lights within 20 km, in their listed colours.
Long Island Head Light — light characteristic, height, range
One white flash every 2.5 seconds
Count 2.5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 2.5s
- Height
- 120 ft · 37 m
- Nominal range
- 6 nmi = 11 km
- Structure
- White cylindrical tower.
- Position
- 42.3302°N, 70.9577°W · MA

Lights nearby
- Long Island Head Lighted Buoy 17One green flash every 2.5 seconds · 277 m
- Deer Island LightAlternating white and red every 10 seconds · 1.1 km
- Nixes Mate Lighted Buoy 15Continuous quick green flashes · 1.2 km
- Stone Living Lab Rainsford Island Lighted Research Buoy AOne yellow flash every 2.5 seconds · 1.7 km
- Boston Main Channel Lighted Buoy 1One green flash every 4 seconds · 1.8 km
- President Roads Anchorage Lighted Buoy BOne yellow flash every 4 seconds · 1.8 km
- Deer Island Pier Outer LightSteady yellow light · 1.8 km
- Deer Island Pier Inner LightSteady yellow light · 1.9 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