RaceAtlas

Alcatraz Island Tides: Saturday, September 5, 2026

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

0.1 ft1:14 AM4.3 ft8:56 AM3.5 ft12:47 PM6.2 ft6:55 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 6:55 PM, low 0.1 ft at 1:14 AM. Gate: flood 2.3 kt at 4:36 PM, ebb 0.5 kt at 11:31 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
1:14 AMLow0.1 ft
8:56 AMHigh4.3 ft
12:47 PMLow3.5 ft
6:55 PMHigh6.2 ft
Current · Golden Gate
TimeStateSpeed
2:07 AMslack–
5:42 AMmax flood ENE (074°)2.1 kt
9:49 AMslack–
11:31 AMmax ebb SW (235°)0.5 kt
1:14 PMslack–
4:36 PMmax flood ENE (074°)2.3 kt
8:07 PMslack–

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.