RaceAtlas

Alcatraz Island Tides: Thursday, May 22, 2025

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

1.5 ft2:26 AM4.2 ft8:14 AM0.7 ft2:04 PM5.7 ft8:54 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 8:54 PM, low 0.7 ft at 2:04 PM. Gate: flood 3.0 kt at 6:16 PM, ebb 1.3 kt at 12:41 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:26 AMLow1.5 ft
8:14 AMHigh4.2 ft
2:04 PMLow0.7 ft
8:54 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
12:41 AMmax ebb SW (235°)1.3 kt
3:26 AMslack–
6:17 AMmax flood ENE (074°)2.0 kt
9:47 AMslack–
12:11 PMmax ebb SW (235°)1.1 kt
2:51 PMslack–
6:16 PMmax flood ENE (074°)3.0 kt
10:11 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.