RaceAtlas

Alcatraz Island Tides: Tuesday, October 7, 2025

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

5.6 ft12:16 AM1.0 ft5:52 AM6.3 ft12:16 PM-0.3 ft6:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 12:16 PM, low -0.3 ft at 6:33 PM. Gate: flood 3.5 kt at 9:56 AM, ebb 1.9 kt at 4:16 PM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
12:16 AMHigh5.6 ft
5:52 AMLow1.0 ft
12:16 PMHigh6.3 ft
6:33 PMLow-0.3 ft
Current · Golden Gate
TimeStateSpeed
1:31 AMslack–
4:05 AMmax ebb SW (235°)1.6 kt
6:49 AMslack–
9:56 AMmax flood ENE (074°)3.5 kt
1:18 PMslack–
4:16 PMmax ebb SW (235°)1.9 kt
7:52 PMslack–
10:51 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.