RaceAtlas

Alcatraz Island Tides: Sunday, January 4, 2026

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

5.2 ft1:02 AM2.9 ft5:32 AM6.9 ft11:32 AM-1.5 ft6:32 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.9 ft at 11:32 AM, low -1.5 ft at 6:32 PM. Gate: flood 3.3 kt at 10:59 PM, ebb 2.0 kt at 5:12 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
1:02 AMHigh5.2 ft
5:32 AMLow2.9 ft
11:32 AMHigh6.9 ft
6:32 PMLow-1.5 ft
Current · Golden Gate
TimeStateSpeed
2:09 AMslack–
4:36 AMmax ebb SW (235°)1.0 kt
6:35 AMslack–
9:34 AMmax flood ENE (074°)3.0 kt
12:50 PMslack–
5:12 PMmax ebb SW (235°)2.0 kt
7:51 PMslack–
10:59 PMmax flood ENE (074°)3.3 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.