RaceAtlas

Alcatraz Island Tides: Saturday, July 12, 2025

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

6.3 ft12:35 AM-1.0 ft7:36 AM4.8 ft2:53 PM3.0 ft7:22 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 12:35 AM, low -1.0 ft at 7:36 AM. Gate: flood 3.0 kt at 11:47 AM, ebb 1.9 kt at 4:47 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
12:35 AMHigh6.3 ft
7:36 AMLow-1.0 ft
2:53 PMHigh4.8 ft
7:22 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
1:41 AMslack–
4:47 AMmax ebb SW (235°)1.9 kt
8:35 AMslack–
11:47 AMmax flood ENE (074°)3.0 kt
4:19 PMslack–
6:34 PMmax ebb SW (235°)0.8 kt
8:31 PMslack–
11:24 PMmax flood ENE (074°)2.5 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.