RaceAtlas

Alcatraz Island Tides: Saturday, May 17, 2025

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

5.4 ft2:24 AM-0.6 ft9:41 AM4.2 ft5:32 PM3.4 ft9:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 2:24 AM, low -0.6 ft at 9:41 AM. Gate: flood 2.3 kt at 12:47 AM, ebb 1.5 kt at 6:48 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
2:24 AMHigh5.4 ft
9:41 AMLow-0.6 ft
5:32 PMHigh4.2 ft
9:33 PMLow3.4 ft
Current · Golden Gate
TimeStateSpeed
12:47 AMmax flood ENE (074°)2.3 kt
3:41 AMslack–
6:48 AMmax ebb SW (235°)1.5 kt
10:41 AMslack–
2:05 PMmax flood ENE (074°)2.3 kt
7:23 PMslack–
8:53 PMmax ebb SW (235°)0.4 kt
10:29 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.