RaceAtlas

Alcatraz Island Tides: Sunday, May 4, 2025

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

3.0 ft12:07 AM4.9 ft5:22 AM-0.2 ft12:35 PM4.8 ft8:04 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 5:22 AM, low -0.2 ft at 12:35 PM. Gate: flood 2.6 kt at 5:08 PM, ebb 1.0 kt at 11:09 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
12:07 AMLow3.0 ft
5:22 AMHigh4.9 ft
12:35 PMLow-0.2 ft
8:04 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
12:19 AMslack–
3:08 AMmax flood ENE (074°)1.9 kt
6:52 AMslack–
11:09 AMmax ebb SW (235°)1.0 kt
1:19 PMslack–
5:08 PMmax flood ENE (074°)2.6 kt
9:02 PMslack–
11:39 PMmax ebb SW (235°)0.9 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.