RaceAtlas

Alcatraz Island Tides: Wednesday, December 24, 2025

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

4.8 ft3:20 AM3.2 ft7:59 AM5.3 ft1:36 PM-0.3 ft8:32 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 1:36 PM, low -0.3 ft at 8:32 PM. Gate: flood 2.8 kt at 12:13 AM, ebb 1.6 kt at 6:17 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
3:20 AMHigh4.8 ft
7:59 AMLow3.2 ft
1:36 PMHigh5.3 ft
8:32 PMLow-0.3 ft
Current · Golden Gate
TimeStateSpeed
12:13 AMmax flood ENE (074°)2.8 kt
5:05 AMslack–
7:10 AMmax ebb SW (235°)0.7 kt
9:11 AMslack–
12:02 PMmax flood ENE (074°)2.1 kt
3:01 PMslack–
6:17 PMmax ebb SW (235°)1.6 kt
9:27 PMslack–

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.