RaceAtlas

Alcatraz Island Tides: Friday, April 11, 2025

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

0.6 ft5:44 AM4.6 ft11:57 AM1.1 ft5:36 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.6 ft at 11:57 AM, low 0.6 ft at 5:44 AM. Gate: flood 3.0 kt at 9:46 PM, ebb 1.7 kt at 4:19 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
5:44 AMLow0.6 ft
11:57 AMHigh4.6 ft
5:36 PMLow1.1 ft
Current · Golden Gate
TimeStateSpeed
12:51 AMslack–
4:19 AMmax ebb SW (235°)1.7 kt
6:50 AMslack–
10:01 AMmax flood ENE (074°)2.7 kt
1:21 PMslack–
4:01 PMmax ebb SW (235°)1.3 kt
6:29 PMslack–
9:46 PMmax flood ENE (074°)3.0 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.