RaceAtlas

Alcatraz Island Tides: Wednesday, October 8, 2025

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

5.4 ft1:13 AM1.6 ft6:31 AM6.6 ft12:50 PM-0.7 ft7:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 12:50 PM, low -0.7 ft at 7:21 PM. Gate: flood 3.5 kt at 10:37 AM, ebb 2.0 kt at 4:40 PM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
1:13 AMHigh5.4 ft
6:31 AMLow1.6 ft
12:50 PMHigh6.6 ft
7:21 PMLow-0.7 ft
Current · Golden Gate
TimeStateSpeed
2:26 AMslack–
4:53 AMmax ebb SW (235°)1.5 kt
7:34 AMslack–
10:37 AMmax flood ENE (074°)3.5 kt
1:50 PMslack–
4:40 PMmax ebb SW (235°)2.0 kt
8:37 PMslack–
11:40 PMmax flood ENE (074°)3.2 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.