RaceAtlas

Alcatraz Island Tides: Sunday, May 17, 2026

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

-1.8 ft6:46 AM4.7 ft2:04 PM2.8 ft6:24 PM-2 ft0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 2:04 PM, low -1.8 ft at 6:46 AM. Gate: flood 3.2 kt at 10:32 PM, ebb 2.0 kt at 3:43 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:46 AMLow-1.8 ft
2:04 PMHigh4.7 ft
6:24 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
12:48 AMslack–
3:43 AMmax ebb SW (235°)2.0 kt
8:01 AMslack–
11:07 AMmax flood ENE (074°)3.2 kt
3:02 PMslack–
5:11 PMmax ebb SW (235°)1.0 kt
7:27 PMslack–
10:32 PMmax flood ENE (074°)3.2 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.