RaceAtlas

Alcatraz Island Tides: Monday, September 1, 2025

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

0.9 ft1:40 AM4.1 ft9:42 AM3.7 ft1:22 PM5.4 ft7:01 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 7:01 PM, low 0.9 ft at 1:40 AM. Gate: flood 1.8 kt at 6:57 AM, ebb 0.7 kt at 11:02 PM.
Modelled current at the Golden Gate on a 1.8 kt floodThe Gate at max flood, 1.8 kt
Tide height
TimeHeight
1:40 AMLow0.9 ft
9:42 AMHigh4.1 ft
1:22 PMLow3.7 ft
7:01 PMHigh5.4 ft
Current · Golden Gate
TimeStateSpeed
2:12 AMslack–
6:57 AMmax flood ENE (074°)1.8 kt
10:52 AMslack–
11:48 AMmax ebb SW (235°)0.1 kt
12:50 PMslack–
4:28 PMmax flood ENE (074°)1.6 kt
8:16 PMslack–
11:02 PMmax ebb SW (235°)0.7 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.