RaceAtlas

Alcatraz Island Tides: Saturday, May 9, 2026

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

3.2 ft12:03 AM4.4 ft5:02 AM0.2 ft12:12 PM4.4 ft7:48 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.4 ft at 5:02 AM, low 0.2 ft at 12:12 PM. Gate: flood 2.1 kt at 4:37 PM, ebb 0.9 kt at 9:33 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
12:03 AMLow3.2 ft
5:02 AMHigh4.4 ft
12:12 PMLow0.2 ft
7:48 PMHigh4.4 ft
Current · Golden Gate
TimeStateSpeed
12:22 AMslack–
3:08 AMmax flood ENE (074°)1.5 kt
6:40 AMslack–
9:33 AMmax ebb SW (235°)0.9 kt
12:42 PMslack–
4:37 PMmax flood ENE (074°)2.1 kt
9:31 PMslack–
11:37 PMmax ebb SW (235°)0.6 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.