RaceAtlas

Alcatraz Island Tides: Wednesday, July 22, 2026

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

1.0 ft1:31 AM3.7 ft8:09 AM2.7 ft12:31 PM5.8 ft7:06 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 7:06 PM, low 1.0 ft at 1:31 AM. Gate: flood 2.2 kt at 4:31 PM, ebb 0.7 kt at 11:01 AM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
1:31 AMLow1.0 ft
8:09 AMHigh3.7 ft
12:31 PMLow2.7 ft
7:06 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
2:05 AMslack–
5:44 AMmax flood ENE (074°)2.0 kt
9:05 AMslack–
11:01 AMmax ebb SW (235°)0.7 kt
1:05 PMslack–
4:31 PMmax flood ENE (074°)2.2 kt
8:29 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.