RaceAtlas

Alcatraz Island Tides: Thursday, April 10, 2025

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

1.0 ft5:08 AM4.7 ft11:11 AM0.7 ft5:06 PM5.3 ft11:40 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 11:40 PM, low 0.7 ft at 5:06 PM. Gate: flood 3.1 kt at 9:21 PM, ebb 1.6 kt at 3:45 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
5:08 AMLow1.0 ft
11:11 AMHigh4.7 ft
5:06 PMLow0.7 ft
11:40 PMHigh5.3 ft
Current · Golden Gate
TimeStateSpeed
12:22 AMslack–
3:45 AMmax ebb SW (235°)1.6 kt
6:07 AMslack–
9:17 AMmax flood ENE (074°)2.5 kt
12:30 PMslack–
3:35 PMmax ebb SW (235°)1.3 kt
5:54 PMslack–
9:21 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.