RaceAtlas

Alcatraz Island Tides: Monday, December 22, 2025

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

4.6 ft2:10 AM3.4 ft6:23 AM5.9 ft12:12 PM-0.7 ft7:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 12:12 PM, low -0.7 ft at 7:16 PM. Gate: flood 2.7 kt at 11:44 PM, ebb 1.7 kt at 4:33 PM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
2:10 AMHigh4.6 ft
6:23 AMLow3.4 ft
12:12 PMHigh5.9 ft
7:16 PMLow-0.7 ft
Current · Golden Gate
TimeStateSpeed
3:55 AMslack–
5:43 AMmax ebb SW (235°)0.5 kt
7:21 AMslack–
10:22 AMmax flood ENE (074°)2.3 kt
1:26 PMslack–
4:33 PMmax ebb SW (235°)1.7 kt
8:22 PMslack–
11:44 PMmax flood ENE (074°)2.7 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.