RaceAtlas

Alcatraz Island Tides: Wednesday, November 5, 2025

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

2.0 ft4:17 AM6.9 ft10:32 AM-1.3 ft5:19 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.9 ft at 10:32 AM, low -1.3 ft at 5:19 PM. Gate: flood 3.4 kt at 8:27 AM, ebb 2.1 kt at 2:37 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
4:17 AMLow2.0 ft
10:32 AMHigh6.9 ft
5:19 PMLow-1.3 ft
Current · Golden Gate
TimeStateSpeed
12:31 AMslack–
2:51 AMmax ebb SW (235°)1.3 kt
5:18 AMslack–
8:27 AMmax flood ENE (074°)3.4 kt
11:36 AMslack–
2:37 PMmax ebb SW (235°)2.1 kt
6:36 PMslack–
9:41 PMmax flood ENE (074°)3.3 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.