RaceAtlas

Alcatraz Island Tides: Monday, May 19, 2025

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

4.8 ft4:14 AM-0.3 ft11:26 AM4.5 ft7:05 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.8 ft at 4:14 AM, low -0.3 ft at 11:26 AM. Gate: flood 2.5 kt at 3:42 PM, ebb 1.3 kt at 8:48 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:14 AMHigh4.8 ft
11:26 AMLow-0.3 ft
7:05 PMHigh4.5 ft
Current · Golden Gate
TimeStateSpeed
2:34 AMmax flood ENE (074°)1.9 kt
5:41 AMslack–
8:48 AMmax ebb SW (235°)1.3 kt
12:14 PMslack–
3:42 PMmax flood ENE (074°)2.5 kt
8:46 PMslack–
11:02 PMmax ebb SW (235°)0.7 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.