RaceAtlas

Alcatraz Island Tides: Sunday, February 1, 2026

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

2.6 ft4:35 AM6.8 ft10:36 AM-1.2 ft5:30 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.8 ft at 10:36 AM, low -1.2 ft at 5:30 PM. Gate: flood 3.4 kt at 9:50 PM, ebb 2.1 kt at 4:10 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
4:35 AMLow2.6 ft
10:36 AMHigh6.8 ft
5:30 PMLow-1.2 ft
Current · Golden Gate
TimeStateSpeed
12:59 AMslack–
3:35 AMmax ebb SW (235°)1.1 kt
5:34 AMslack–
8:37 AMmax flood ENE (074°)2.9 kt
11:55 AMslack–
4:10 PMmax ebb SW (235°)2.1 kt
6:43 PMslack–
9:50 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.