RaceAtlas

Alcatraz Island Tides: Wednesday, November 12, 2025

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

5.1 ft6:30 AM2.8 ft11:56 AM4.8 ft5:12 PM4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 6:30 AM, low 2.8 ft at 11:56 AM. Gate: flood 2.6 kt at 3:26 AM, ebb 1.0 kt at 10:17 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
6:30 AMHigh5.1 ft
11:56 AMLow2.8 ft
5:12 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
3:26 AMmax flood ENE (074°)2.6 kt
7:28 AMslack–
10:08 AMmax ebb SW (235°)0.9 kt
12:06 PMslack–
2:58 PMmax flood ENE (074°)1.8 kt
6:34 PMslack–
10:17 PMmax ebb SW (235°)1.0 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.