RaceAtlas

Alcatraz Island Tides: Thursday, July 24, 2025

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

-1.2 ft6:13 AM5.1 ft1:25 PM2.9 ft5:54 PM6.8 ft11:54 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.8 ft at 11:54 PM, low -1.2 ft at 6:13 AM. Gate: flood 3.2 kt at 10:35 AM, ebb 2.0 kt at 5:01 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:13 AMLow-1.2 ft
1:25 PMHigh5.1 ft
5:54 PMLow2.9 ft
11:54 PMHigh6.8 ft
Current · Golden Gate
TimeStateSpeed
12:27 AMslack–
5:01 AMmax ebb SW (235°)2.0 kt
7:28 AMslack–
10:35 AMmax flood ENE (074°)3.2 kt
2:22 PMslack–
4:55 PMmax ebb SW (235°)1.1 kt
6:57 PMslack–
9:59 PMmax flood ENE (074°)2.9 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.