RaceAtlas

Alcatraz Island Tides: Sunday, May 25, 2025

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

-1.0 ft4:57 AM4.5 ft11:52 AM2.2 ft4:28 PM6.8 ft10:46 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.8 ft at 10:46 PM, low -1.0 ft at 4:57 AM. Gate: flood 3.2 kt at 8:42 PM, ebb 1.9 kt at 2:35 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
4:57 AMLow-1.0 ft
11:52 AMHigh4.5 ft
4:28 PMLow2.2 ft
10:46 PMHigh6.8 ft
Current · Golden Gate
TimeStateSpeed
2:35 AMmax ebb SW (235°)1.9 kt
6:09 AMslack–
9:20 AMmax flood ENE (074°)3.1 kt
12:55 PMslack–
3:12 PMmax ebb SW (235°)1.1 kt
5:30 PMslack–
8:42 PMmax flood ENE (074°)3.2 kt
11:53 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.