RaceAtlas

Alcatraz Island Tides: Wednesday, October 1, 2025

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

0.5 ft1:48 AM4.5 ft9:29 AM3.4 ft2:11 PM5.2 ft7:30 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 7:30 PM, low 0.5 ft at 1:48 AM. Gate: flood 1.9 kt at 6:57 AM, ebb 1.0 kt at 11:44 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
1:48 AMLow0.5 ft
9:29 AMHigh4.5 ft
2:11 PMLow3.4 ft
7:30 PMHigh5.2 ft
Current · Golden Gate
TimeStateSpeed
2:21 AMslack–
6:57 AMmax flood ENE (074°)1.9 kt
10:59 AMslack–
12:29 PMmax ebb SW (235°)0.4 kt
2:05 PMslack–
5:09 PMmax flood ENE (074°)1.6 kt
8:49 PMslack–
11:44 PMmax ebb SW (235°)1.0 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.