RaceAtlas

Alcatraz Island Tides: Wednesday, May 27, 2026

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

0.2 ft4:15 AM4.0 ft10:45 AM2.0 ft3:34 PM5.9 ft10:02 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 10:02 PM, low 0.2 ft at 4:15 AM. Gate: flood 2.8 kt at 7:43 PM, ebb 1.7 kt at 2:37 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
4:15 AMLow0.2 ft
10:45 AMHigh4.0 ft
3:34 PMLow2.0 ft
10:02 PMHigh5.9 ft
Current · Golden Gate
TimeStateSpeed
2:37 AMmax ebb SW (235°)1.7 kt
5:06 AMslack–
8:22 AMmax flood ENE (074°)2.6 kt
11:42 AMslack–
2:07 PMmax ebb SW (235°)0.9 kt
4:18 PMslack–
7:43 PMmax flood ENE (074°)2.8 kt
11:12 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.