RaceAtlas

Alcatraz Island Tides: Friday, August 1, 2031

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

-1.0 ft4:55 AM5.0 ft11:57 AM2.4 ft4:40 PM7.0 ft10:54 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 10:54 PM, low -1.0 ft at 4:55 AM. Gate: flood 3.1 kt at 8:49 PM, ebb 1.8 kt at 2:51 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
4:55 AMLow-1.0 ft
11:57 AMHigh5.0 ft
4:40 PMLow2.4 ft
10:54 PMHigh7.0 ft
Current · Golden Gate
TimeStateSpeed
2:51 AMmax ebb SW (235°)1.8 kt
6:08 AMslack–
9:23 AMmax flood ENE (074°)3.1 kt
1:13 PMslack–
3:50 PMmax ebb SW (235°)1.1 kt
5:50 PMslack–
8:49 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.