RaceAtlas

Alcatraz Island Tides: Friday, August 12, 2022

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

-1.2 ft6:37 AM5.3 ft1:37 PM2.3 ft6:32 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 1:37 PM, low -1.2 ft at 6:37 AM. Gate: flood 3.4 kt at 10:57 AM, ebb 2.0 kt at 4:49 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
6:37 AMLow-1.2 ft
1:37 PMHigh5.3 ft
6:32 PMLow2.3 ft
Current · Golden Gate
TimeStateSpeed
1:01 AMslack–
4:49 AMmax ebb SW (235°)2.0 kt
7:52 AMslack–
10:57 AMmax flood ENE (074°)3.4 kt
2:52 PMslack–
5:44 PMmax ebb SW (235°)1.3 kt
7:48 PMslack–
10:40 PMmax flood ENE (074°)3.1 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.