RaceAtlas

Alcatraz Island Tides: Sunday, May 11, 2025

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

-0.3 ft5:57 AM4.2 ft12:48 PM2.4 ft5:26 PM5.7 ft11:34 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 11:34 PM, low -0.3 ft at 5:57 AM. Gate: flood 2.8 kt at 10:28 AM, ebb 1.5 kt at 3:25 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
5:57 AMLow-0.3 ft
12:48 PMHigh4.2 ft
5:26 PMLow2.4 ft
11:34 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
12:18 AMslack–
3:25 AMmax ebb SW (235°)1.5 kt
7:00 AMslack–
10:28 AMmax flood ENE (074°)2.8 kt
2:08 PMslack–
4:09 PMmax ebb SW (235°)0.8 kt
6:18 PMslack–
9:26 PMmax flood ENE (074°)2.5 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.