RaceAtlas

Alcatraz Island Tides: Saturday, December 6, 2025

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

5.0 ft1:20 AM3.2 ft5:36 AM7.1 ft11:39 AM-1.7 ft6:48 PM-2 ft0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.1 ft at 11:39 AM, low -1.7 ft at 6:48 PM. Gate: flood 3.1 kt at 9:42 AM, ebb 1.9 kt at 3:59 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
1:20 AMHigh5.0 ft
5:36 AMLow3.2 ft
11:39 AMHigh7.1 ft
6:48 PMLow-1.7 ft
Current · Golden Gate
TimeStateSpeed
2:18 AMslack–
4:30 AMmax ebb SW (235°)0.9 kt
6:39 AMslack–
9:42 AMmax flood ENE (074°)3.1 kt
12:53 PMslack–
3:59 PMmax ebb SW (235°)1.9 kt
8:09 PMslack–
11:17 PMmax flood ENE (074°)3.1 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.