RaceAtlas

Alcatraz Island Tides: Saturday, April 11, 2026

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

3.0 ft1:55 AM4.6 ft7:02 AM0.2 ft2:12 PM4.4 ft9:34 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.6 ft at 7:02 AM, low 0.2 ft at 2:12 PM. Gate: flood 2.1 kt at 7:00 PM, ebb 0.9 kt at 11:21 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
1:55 AMLow3.0 ft
7:02 AMHigh4.6 ft
2:12 PMLow0.2 ft
9:34 PMHigh4.4 ft
Current · Golden Gate
TimeStateSpeed
12:10 AMmax ebb SW (235°)0.4 kt
1:47 AMslack–
4:47 AMmax flood ENE (074°)1.4 kt
8:34 AMslack–
11:21 AMmax ebb SW (235°)0.9 kt
2:40 PMslack–
7:00 PMmax flood ENE (074°)2.1 kt
11:00 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.