RaceAtlas

Alcatraz Island Tides: Saturday, October 31, 2026

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

4.7 ft5:49 AM3.4 ft10:08 AM5.8 ft3:58 PM-0.4 ft11:14 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 3:58 PM, low -0.4 ft at 11:14 PM. Gate: flood 2.6 kt at 2:27 AM, ebb 1.4 kt at 8:07 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
5:49 AMHigh4.7 ft
10:08 AMLow3.4 ft
3:58 PMHigh5.8 ft
11:14 PMLow-0.4 ft
Current · Golden Gate
TimeStateSpeed
2:27 AMmax flood ENE (074°)2.6 kt
6:57 AMslack–
8:50 AMmax ebb SW (235°)0.6 kt
10:46 AMslack–
1:52 PMmax flood ENE (074°)2.5 kt
5:04 PMslack–
8:07 PMmax ebb SW (235°)1.4 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.