RaceAtlas

Alcatraz Island Tides: Friday, April 4, 2025

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

5.7 ft4:32 AM-0.4 ft12:01 PM4.3 ft7:45 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 4:32 AM, low -0.4 ft at 12:01 PM. Gate: flood 2.5 kt at 2:18 AM, ebb 1.1 kt at 8:26 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:32 AMHigh5.7 ft
12:01 PMLow-0.4 ft
7:45 PMHigh4.3 ft
Current · Golden Gate
TimeStateSpeed
2:18 AMmax flood ENE (074°)2.5 kt
5:47 AMslack–
8:26 AMmax ebb SW (235°)1.1 kt
12:54 PMslack–
4:27 PMmax flood ENE (074°)2.2 kt
8:19 PMslack–
10:22 PMmax ebb SW (235°)0.6 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.