RaceAtlas

Alcatraz Island Tides: Tuesday, April 29, 2025

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

6.7 ft12:42 AM-1.6 ft7:35 AM4.8 ft2:46 PM2.6 ft7:18 PM-2 ft0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 12:42 AM, low -1.6 ft at 7:35 AM. Gate: flood 3.2 kt at 11:57 AM, ebb 2.0 kt at 4:35 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
12:42 AMHigh6.7 ft
7:35 AMLow-1.6 ft
2:46 PMHigh4.8 ft
7:18 PMLow2.6 ft
Current · Golden Gate
TimeStateSpeed
1:45 AMslack–
4:35 AMmax ebb SW (235°)2.0 kt
8:50 AMslack–
11:57 AMmax flood ENE (074°)3.2 kt
3:43 PMslack–
6:02 PMmax ebb SW (235°)1.1 kt
8:22 PMslack–
11:24 PMmax flood ENE (074°)3.2 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.