RaceAtlas

Alcatraz Island Tides: Saturday, May 3, 2025

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

5.4 ft4:10 AM-0.5 ft11:30 AM4.6 ft7:09 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 4:10 AM, low -0.5 ft at 11:30 AM. Gate: flood 2.5 kt at 4:01 PM, ebb 1.1 kt at 8:36 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:10 AMHigh5.4 ft
11:30 AMLow-0.5 ft
7:09 PMHigh4.6 ft
Current · Golden Gate
TimeStateSpeed
2:03 AMmax flood ENE (074°)2.3 kt
5:33 AMslack–
8:36 AMmax ebb SW (235°)1.1 kt
12:27 PMslack–
4:01 PMmax flood ENE (074°)2.5 kt
8:02 PMslack–
10:23 PMmax ebb SW (235°)0.7 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.