KOEN
Straitsmouth Light in the middle, with the lights within 20 km, in their listed colours.
Straitsmouth Light — light characteristic, height, range
One green flash every 6 seconds
Count 6 seconds.Flash green, once.Begin again.
- Characteristic
- Fl G 6s
- Height
- 46 ft · 14 m
- Nominal range
- 6 nmi = 11 km
- Structure
- White cylindrical tower.
- Remarks
- HORN: 1 blast ev 15s (2s bl). MRASS-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 45 minutes.
- Position
- 42.6623°N, 70.5881°W · MA
Lights nearby
- Avery Ledge Lighted Buoy 2One red flash every 4 seconds · 576 m
- Rockport Breakwater Light 6One red flash every 4 seconds · 2.0 km
- Sandy Bay Breakwater Lighted Gong Buoy 3Continuous quick green flashes · 2.3 km
- Thacher Island North LightSteady yellow light · 2.8 km
- Dry Salvages Lighted Bell Buoy 1One green flash every 2.5 seconds · 3.0 km
- Cape Ann LightOne red flash every 5 seconds · 3.0 km
- ARII Good Harbor Wave Research Lighted BuoyContinuous quick yellow flashes · 5.9 km
- Annisquam River Channel Light 15One green flash every 2.5 seconds · 7.5 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