RaceAtlas

Alcatraz Island Tides: Sunday, April 5, 2026

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

5.6 ft1:47 AM-0.1 ft8:35 AM4.1 ft3:38 PM2.7 ft8:13 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 1:47 AM, low -0.1 ft at 8:35 AM. Gate: flood 2.5 kt at 1:29 PM, ebb 1.3 kt at 5:49 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
1:47 AMHigh5.6 ft
8:35 AMLow-0.1 ft
3:38 PMHigh4.1 ft
8:13 PMLow2.7 ft
Current · Golden Gate
TimeStateSpeed
3:13 AMslack–
5:49 AMmax ebb SW (235°)1.3 kt
9:49 AMslack–
1:29 PMmax flood ENE (074°)2.5 kt
5:20 PMslack–
7:26 PMmax ebb SW (235°)0.9 kt
9:32 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.