RaceAtlas

Alcatraz Island Tides: Saturday, July 11, 2026

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

-0.7 ft3:53 AM4.3 ft11:15 AM3.2 ft3:07 PM7.0 ft9:25 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 9:25 PM, low -0.7 ft at 3:53 AM. Gate: flood 2.8 kt at 7:20 PM, ebb 1.5 kt at 12:44 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
3:53 AMLow-0.7 ft
11:15 AMHigh4.3 ft
3:07 PMLow3.2 ft
9:25 PMHigh7.0 ft
Current · Golden Gate
TimeStateSpeed
12:44 AMmax ebb SW (235°)1.5 kt
5:02 AMslack–
8:23 AMmax flood ENE (074°)2.6 kt
12:09 PMslack–
2:03 PMmax ebb SW (235°)0.7 kt
4:04 PMslack–
7:20 PMmax flood ENE (074°)2.8 kt
10:41 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.