RaceAtlas

Alcatraz Island Tides: Sunday, August 2, 2026

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

5.3 ft2:13 AM0.3 ft8:33 AM5.4 ft3:28 PM2.0 ft9:08 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 3:28 PM, low 0.3 ft at 8:33 AM. Gate: flood 3.3 kt at 12:42 PM, ebb 1.5 kt at 6:38 AM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
2:13 AMHigh5.3 ft
8:33 AMLow0.3 ft
3:28 PMHigh5.4 ft
9:08 PMLow2.0 ft
Current · Golden Gate
TimeStateSpeed
12:26 AMmax flood ENE (074°)2.4 kt
3:42 AMslack–
6:38 AMmax ebb SW (235°)1.5 kt
9:24 AMslack–
12:42 PMmax flood ENE (074°)3.3 kt
4:32 PMslack–
7:23 PMmax ebb SW (235°)1.3 kt
10:22 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.