RaceAtlas

Alcatraz Island Tides: Wednesday, August 26, 2026

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

-0.1 ft5:29 AM4.9 ft12:24 PM2.5 ft5:22 PM6.0 ft11:17 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 11:17 PM, low -0.1 ft at 5:29 AM. Gate: flood 2.7 kt at 9:54 AM, ebb 1.4 kt at 3:00 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
5:29 AMLow-0.1 ft
12:24 PMHigh4.9 ft
5:22 PMLow2.5 ft
11:17 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
3:00 AMmax ebb SW (235°)1.4 kt
6:17 AMslack–
9:54 AMmax flood ENE (074°)2.7 kt
1:48 PMslack–
4:07 PMmax ebb SW (235°)0.9 kt
6:11 PMslack–
9:13 PMmax flood ENE (074°)2.2 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.