RaceAtlas

Alcatraz Island Tides: Saturday, August 8, 2026

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

-0.1 ft2:41 AM4.3 ft10:11 AM3.4 ft1:57 PM6.6 ft8:14 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 8:14 PM, low -0.1 ft at 2:41 AM. Gate: flood 2.5 kt at 6:01 PM, ebb 0.5 kt at 12:44 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
2:41 AMLow-0.1 ft
10:11 AMHigh4.3 ft
1:57 PMLow3.4 ft
8:14 PMHigh6.6 ft
Current · Golden Gate
TimeStateSpeed
3:43 AMslack–
7:08 AMmax flood ENE (074°)2.3 kt
11:04 AMslack–
12:44 PMmax ebb SW (235°)0.5 kt
2:39 PMslack–
6:01 PMmax flood ENE (074°)2.5 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.