RaceAtlas

Alcatraz Island Tides: Wednesday, February 4, 2026

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

5.5 ft1:39 AM1.7 ft7:06 AM5.6 ft1:02 PM-0.0 ft7:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 1:02 PM, low -0.0 ft at 7:21 PM. Gate: flood 3.4 kt at 11:42 PM, ebb 1.7 kt at 5:43 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
1:39 AMHigh5.5 ft
7:06 AMLow1.7 ft
1:02 PMHigh5.6 ft
7:21 PMLow-0.0 ft
Current · Golden Gate
TimeStateSpeed
2:55 AMslack–
6:08 AMmax ebb SW (235°)1.5 kt
8:25 AMslack–
11:17 AMmax flood ENE (074°)2.6 kt
2:33 PMslack–
5:43 PMmax ebb SW (235°)1.7 kt
8:28 PMslack–
11:42 PMmax flood ENE (074°)3.4 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.