RaceAtlas

Alcatraz Island Tides: Thursday, October 22, 2026

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

0.7 ft3:16 AM5.3 ft10:01 AM1.5 ft3:59 PM4.8 ft9:57 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 10:01 AM, low 0.7 ft at 3:16 AM. Gate: flood 2.5 kt at 7:14 AM, ebb 1.2 kt at 2:14 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:16 AMLow0.7 ft
10:01 AMHigh5.3 ft
3:59 PMLow1.5 ft
9:57 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
12:47 AMmax ebb SW (235°)1.0 kt
3:37 AMslack–
7:14 AMmax flood ENE (074°)2.5 kt
11:19 AMslack–
2:14 PMmax ebb SW (235°)1.2 kt
4:53 PMslack–
7:55 PMmax flood ENE (074°)2.0 kt
11:22 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.