RaceAtlas

Alcatraz Island Tides: Monday, October 13, 2025

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

4.6 ft7:08 AM3.5 ft11:34 AM5.7 ft5:14 PM4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 5:14 PM, low 3.5 ft at 11:34 AM. Gate: flood 2.3 kt at 3:42 AM, ebb 1.1 kt at 11:12 PM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
7:08 AMHigh4.6 ft
11:34 AMLow3.5 ft
5:14 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
12:21 AMslack–
3:42 AMmax flood ENE (074°)2.3 kt
7:49 AMslack–
9:47 AMmax ebb SW (235°)0.6 kt
11:47 AMslack–
2:50 PMmax flood ENE (074°)2.3 kt
6:26 PMslack–
11:12 PMmax ebb SW (235°)1.1 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.