Warwick Light — light characteristic, height, range

Green, dark once every 4 seconds

Keep the green light on.Every 4 seconds, go dark once.Begin again.

Characteristic: Oc G 4s
Height: 66 ft · 20 m
Nominal range: 10 nmi = 19 km
Structure: White conical tower.
Remarks: Lighted throughout 24 hours. 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 81A/157.075Mhz. Key microphone 5 times consecutively, to activate fog signal for 45 minutes.
Position: 41.6672°N, 71.3783°W · RI

Warwick Light in the middle, with the lights within 20 km, in their listed colours.

Lights nearby

Patience Island Lighted Bell Buoy 8One red flash every 4 seconds · 831 m
Round Rock Lighted Buoy 1One green flash every 2.5 seconds · 1.5 km
Warwick Cove Lighted Buoy 1Continuous quick green flashes · 1.6 km
North Prudence Point Monitoring Lighted BuoyOne yellow flash every 5 seconds · 1.9 km
Warwick Cove Lighted Buoy 4One red flash every 2.5 seconds · 2.0 km
Warwick Cove Lighted Buoy 5One green flash every 2.5 seconds · 2.1 km
Mt. View Point Monitoring Lighted BuoyOne yellow flash every 5 seconds · 3.4 km
Sally Rock Monitoring Lighted BuoyOne yellow flash every 4 seconds · 3.9 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).