RaceAtlas

Alcatraz Island Tides: Saturday, July 25, 2026

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

0.1 ft4:12 AM4.4 ft11:36 AM3.4 ft3:37 PM6.0 ft9:28 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 9:28 PM, low 0.1 ft at 4:12 AM. Gate: flood 2.5 kt at 8:44 AM, ebb 1.1 kt at 2:56 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:12 AMLow0.1 ft
11:36 AMHigh4.4 ft
3:37 PMLow3.4 ft
9:28 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
2:56 AMmax ebb SW (235°)1.1 kt
5:03 AMslack–
8:44 AMmax flood ENE (074°)2.5 kt
12:20 PMslack–
2:14 PMmax ebb SW (235°)0.5 kt
3:58 PMslack–
7:10 PMmax flood ENE (074°)1.9 kt
10:49 PMslack–

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.