RaceAtlas

Alcatraz Island Tides: Wednesday, April 29, 2026

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

0.1 ft5:12 AM4.4 ft11:36 AM1.4 ft4:51 PM5.8 ft11:17 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 11:17 PM, low 0.1 ft at 5:12 AM. Gate: flood 3.1 kt at 9:03 PM, ebb 1.9 kt at 3:43 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
5:12 AMLow0.1 ft
11:36 AMHigh4.4 ft
4:51 PMLow1.4 ft
11:17 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
3:43 AMmax ebb SW (235°)1.9 kt
6:13 AMslack–
9:24 AMmax flood ENE (074°)2.9 kt
12:45 PMslack–
3:28 PMmax ebb SW (235°)1.2 kt
5:43 PMslack–
9:03 PMmax flood ENE (074°)3.1 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.