RaceAtlas

Alcatraz Island Tides: Wednesday, October 27, 2021

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

4.3 ft6:49 AM3.7 ft11:06 AM4.9 ft4:17 PM0.5 ft11:41 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 4:17 PM, low 0.5 ft at 11:41 PM. Gate: flood 1.9 kt at 3:58 AM, ebb 0.9 kt at 8:39 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
6:49 AMHigh4.3 ft
11:06 AMLow3.7 ft
4:17 PMHigh4.9 ft
11:41 PMLow0.5 ft
Current · Golden Gate
TimeStateSpeed
3:58 AMmax flood ENE (074°)1.9 kt
8:27 AMslack–
9:41 AMmax ebb SW (235°)0.3 kt
11:07 AMslack–
2:19 PMmax flood ENE (074°)1.7 kt
5:40 PMslack–
8:39 PMmax ebb SW (235°)0.9 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.