UnlitLighted

Drag to compare unlit and lighted · live NOAA chart, not for navigation

Oʻahu, Hawaiʻi

Honolulu & Diamond Head

Honolulu Harbor, Waikiki and Diamond Head, with the reef channels lit in red and green.

Diamond Head Light blinks out twice in red every ten seconds below the crater's rim. To the west, Honolulu Harbor's entrance light flashes green from ninety-five feet, and range lights line ships up with the channels through the reef.

Signature lightDiamond Head LightOc (2) R 10s 14M; Oc (2) 10s 147ft 17MA steady red light that blinks off two times, repeating every 10 seconds

Frame
20 × 16 in
Print scale
1 : 31,500
Navigation aids
89
Lights
45

45 lights glow on the finished chart, each through a pinhole fed by its own LED. The other 44 markers, such as daybeacons and unlit buoys, are printed on the chart.

7 light rhythms on this chart

  • Flashing
  • Quick
  • Occulting
  • Isophase
  • Morse code
  • Alternating
  • Fixed

Lights on this chart

  • Honolulu Harbor Entrance LightOne green flash every 7.5 secondsFl G 7.5s 95ft 20M
  • Diamond Head LightA steady red light that blinks off two times, repeating every 10 secondsOc (2) R 10s 14M; Oc (2) 10s 147ft 17M
  • Kalihi Channel Light 15One green flash every 4 secondsFl G 4s 16ft 5M
  • Kalihi Channel Light 7Quick green flashes, about 60 a minuteQ G 15ft 4M
  • Kalihi Channel Light 8Quick red flashes, about 60 a minuteQ R 15ft 4M
  • Kalihi Channel Light 10One red flash every 2.5 secondsFl R 2.5s 15ft 4M

Opens in the designer, ready to adjust the area, frame and title. Starting at $299, based on frame size, LED configuration and custom programming. Data current to November 5, 2026.