RaceAtlas

Alcatraz Island Tides: Sunday, August 3, 2025

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

0.9 ft2:30 AM3.9 ft10:06 AM3.5 ft1:37 PM5.7 ft7:43 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 7:43 PM, low 0.9 ft at 2:30 AM. Gate: flood 1.9 kt at 7:22 AM, ebb 0.8 kt at 11:36 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
2:30 AMLow0.9 ft
10:06 AMHigh3.9 ft
1:37 PMLow3.5 ft
7:43 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
3:06 AMslack–
7:22 AMmax flood ENE (074°)1.9 kt
11:04 AMslack–
12:11 PMmax ebb SW (235°)0.2 kt
1:31 PMslack–
5:08 PMmax flood ENE (074°)1.7 kt
9:00 PMslack–
11:36 PMmax ebb SW (235°)0.8 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.