RaceAtlas

Alcatraz Island Tides: Friday, October 9, 2026

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

0.7 ft5:02 AM6.0 ft11:36 AM0.4 ft5:41 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 11:36 AM, low 0.4 ft at 5:41 PM. Gate: flood 3.4 kt at 9:14 AM, ebb 2.0 kt at 4:22 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
5:02 AMLow0.7 ft
11:36 AMHigh6.0 ft
5:41 PMLow0.4 ft
Current · Golden Gate
TimeStateSpeed
12:29 AMslack
3:39 AMmax ebb SW (235°)1.5 kt
5:58 AMslack
9:14 AMmax flood ENE (074°)3.4 kt
12:41 PMslack
4:22 PMmax ebb SW (235°)2.0 kt
6:56 PMslack
9:59 PMmax flood ENE (074°)3.0 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.