Drag to compare unlit and lighted · live NOAA chart, not for navigation
The Golden Gate & Alcatraz
San Francisco Bay
The Golden Gate, Alcatraz and the city waterfront, with the first lighthouse on the West Coast at its heart.
Alcatraz Light was lit in 1854, the first lighthouse on the Pacific coast of the United States. Out at the Gate, Point Bonita occults and Point Diablo pulses evenly, while the bridges, piers and islands of the bay each add their own rhythm to the night.
Signature lightAlcatraz LightFl 5s 214ft 20MOne white flash every 5 seconds
- Frame
- 20 × 16 in
- Print scale
- 1 : 43,300
- Navigation aids
- 210
- Lights
- 134
134 lights glow on the finished chart, each through a pinhole fed by its own LED. The other 76 markers, such as daybeacons and unlit buoys, are printed on the chart.
7 light rhythms on this chart
- Flashing
- Composite group
- Quick
- Occulting
- Isophase
- Morse code
- Fixed
Lights on this chart
- Alcatraz LightOne white flash every 5 secondsFl 5s 214ft 20M
- Point Bonita LightA steady white light that blinks off briefly every 4 secondsOc 4s 124ft 18M
- Point Diablo LightA white light, on and off for equal times, a full cycle every 6 secondsIso 6s 85ft 9M
- Lime Point LightOne white flash every 4 secondsFl 4s 15ft 8M
- Mile Rocks LightOne white flash every 5 secondsFl 5s 49ft 8M
- Yellow Bluff LightOne white flash every 6 secondsFl 6s 75ft 7M
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.