RaceAtlas

Alcatraz Island Tides: Sunday, August 1, 2027

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

-1.3 ft5:33 AM5.0 ft12:42 PM2.7 ft5:13 PM7.1 ft11:22 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.1 ft at 11:22 PM, low -1.3 ft at 5:33 AM. Gate: flood 3.2 kt at 9:57 AM, ebb 1.9 kt at 3:45 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
5:33 AMLow-1.3 ft
12:42 PMHigh5.0 ft
5:13 PMLow2.7 ft
11:22 PMHigh7.1 ft
Current · Golden Gate
TimeStateSpeed
3:45 AMmax ebb SW (235°)1.9 kt
6:47 AMslack–
9:57 AMmax flood ENE (074°)3.2 kt
1:58 PMslack–
4:20 PMmax ebb SW (235°)0.9 kt
6:19 PMslack–
9:22 PMmax flood ENE (074°)3.0 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.