RaceAtlas

Alcatraz Island Tides: Tuesday, April 22, 2025

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

2.8 ft1:52 AM4.7 ft7:15 AM-0.1 ft2:07 PM4.7 ft9:20 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 7:15 AM, low -0.1 ft at 2:07 PM. Gate: flood 2.6 kt at 6:26 PM, ebb 1.2 kt at 11:38 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
1:52 AMLow2.8 ft
7:15 AMHigh4.7 ft
2:07 PMLow-0.1 ft
9:20 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
12:26 AMmax ebb SW (235°)0.7 kt
2:27 AMslack–
5:16 AMmax flood ENE (074°)1.7 kt
8:42 AMslack–
11:38 AMmax ebb SW (235°)1.2 kt
2:49 PMslack–
6:26 PMmax flood ENE (074°)2.6 kt
10:48 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.