RaceAtlas

Alcatraz Island Tides: Wednesday, April 15, 2026

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

0.6 ft4:51 AM4.9 ft11:07 AM0.7 ft4:49 PM5.7 ft11:18 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 11:18 PM, low 0.6 ft at 4:51 AM. Gate: flood 3.2 kt at 8:47 PM, ebb 1.6 kt at 3:02 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
4:51 AMLow0.6 ft
11:07 AMHigh4.9 ft
4:49 PMLow0.7 ft
11:18 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
3:02 AMmax ebb SW (235°)1.6 kt
5:57 AMslack–
8:58 AMmax flood ENE (074°)2.6 kt
12:23 PMslack–
2:53 PMmax ebb SW (235°)1.3 kt
5:30 PMslack–
8:47 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.