RaceAtlas

Alcatraz Island Tides: Monday, June 23, 2025

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

-1.2 ft4:47 AM4.5 ft12:02 PM3.0 ft4:07 PM7.0 ft10:22 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 10:22 PM, low -1.2 ft at 4:47 AM. Gate: flood 3.0 kt at 8:21 PM, ebb 1.8 kt at 3:08 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
4:47 AMLow-1.2 ft
12:02 PMHigh4.5 ft
4:07 PMLow3.0 ft
10:22 PMHigh7.0 ft
Current · Golden Gate
TimeStateSpeed
3:08 AMmax ebb SW (235°)1.8 kt
5:58 AMslack–
9:12 AMmax flood ENE (074°)3.0 kt
12:51 PMslack–
3:02 PMmax ebb SW (235°)0.9 kt
5:07 PMslack–
8:21 PMmax flood ENE (074°)3.0 kt
11:36 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.