RaceAtlas

Alcatraz Island Tides: Saturday, April 25, 2026

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

2.4 ft1:44 AM4.8 ft7:12 AM-0.1 ft2:01 PM5.1 ft9:09 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 9:09 PM, low -0.1 ft at 2:01 PM. Gate: flood 2.8 kt at 6:19 PM, ebb 1.2 kt at 12:26 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
1:44 AMLow2.4 ft
7:12 AMHigh4.8 ft
2:01 PMLow-0.1 ft
9:09 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
12:00 AMmax ebb SW (235°)0.9 kt
1:58 AMslack–
4:59 AMmax flood ENE (074°)1.9 kt
8:35 AMslack–
12:26 PMmax ebb SW (235°)1.2 kt
2:44 PMslack–
6:19 PMmax flood ENE (074°)2.8 kt
10:11 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.