RaceAtlas

Alcatraz Island Tides: Tuesday, May 27, 2025

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

-1.8 ft6:34 AM4.8 ft1:52 PM2.8 ft6:09 PM-2 ft0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.8 ft at 1:52 PM, low -1.8 ft at 6:34 AM. Gate: flood 3.2 kt at 10:58 AM, ebb 2.0 kt at 3:44 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:34 AMLow-1.8 ft
1:52 PMHigh4.8 ft
6:09 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
12:38 AMslack–
3:44 AMmax ebb SW (235°)2.0 kt
7:52 AMslack–
10:58 AMmax flood ENE (074°)3.2 kt
2:45 PMslack–
4:56 PMmax ebb SW (235°)1.0 kt
7:14 PMslack–
10:18 PMmax flood ENE (074°)3.2 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.