RaceAtlas

Alcatraz Island Tides: Monday, August 10, 2026

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

-0.9 ft4:33 AM4.9 ft11:47 AM3.0 ft4:09 PM7.0 ft10:15 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 10:15 PM, low -0.9 ft at 4:33 AM. Gate: flood 2.9 kt at 9:02 AM, ebb 1.8 kt at 3:24 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
4:33 AMLow-0.9 ft
11:47 AMHigh4.9 ft
4:09 PMLow3.0 ft
10:15 PMHigh7.0 ft
Current · Golden Gate
TimeStateSpeed
3:24 AMmax ebb SW (235°)1.8 kt
5:46 AMslack–
9:02 AMmax flood ENE (074°)2.9 kt
12:52 PMslack–
3:15 PMmax ebb SW (235°)0.8 kt
5:03 PMslack–
8:12 PMmax flood ENE (074°)2.8 kt
11:34 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.