RaceAtlas

Alcatraz Island Tides: Thursday, April 24, 2025

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

1.3 ft3:37 AM4.8 ft9:37 AM0.2 ft3:39 PM5.5 ft10:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 10:21 PM, low 0.2 ft at 3:39 PM. Gate: flood 3.2 kt at 7:47 PM, ebb 1.4 kt at 1:35 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
3:37 AMLow1.3 ft
9:37 AMHigh4.8 ft
3:39 PMLow0.2 ft
10:21 PMHigh5.5 ft
Current · Golden Gate
TimeStateSpeed
2:12 AMmax ebb SW (235°)1.4 kt
4:43 AMslack–
7:36 AMmax flood ENE (074°)2.3 kt
10:59 AMslack–
1:35 PMmax ebb SW (235°)1.4 kt
4:29 PMslack–
7:47 PMmax flood ENE (074°)3.2 kt
11:32 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.