RaceAtlas

Alcatraz Island Tides: Tuesday, May 25, 2021

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

-1.1 ft5:30 AM4.8 ft12:22 PM2.0 ft5:10 PM6.8 ft11:29 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.8 ft at 11:29 PM, low -1.1 ft at 5:30 AM. Gate: flood 3.4 kt at 9:22 PM, ebb 2.0 kt at 2:54 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
5:30 AMLow-1.1 ft
12:22 PMHigh4.8 ft
5:10 PMLow2.0 ft
11:29 PMHigh6.8 ft
Current · Golden Gate
TimeStateSpeed
2:54 AMmax ebb SW (235°)2.0 kt
6:44 AMslack–
9:52 AMmax flood ENE (074°)3.2 kt
1:33 PMslack–
3:56 PMmax ebb SW (235°)1.2 kt
6:17 PMslack–
9:22 PMmax flood ENE (074°)3.4 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.