RaceAtlas

Alcatraz Island Tides: Monday, July 31, 2023

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

-1.2 ft5:23 AM4.8 ft12:41 PM3.1 ft4:55 PM7.1 ft11:04 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.1 ft at 11:04 PM, low -1.2 ft at 5:23 AM. Gate: flood 2.9 kt at 9:05 PM, ebb 1.8 kt at 2:35 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
5:23 AMLow-1.2 ft
12:41 PMHigh4.8 ft
4:55 PMLow3.1 ft
11:04 PMHigh7.1 ft
Current · Golden Gate
TimeStateSpeed
2:35 AMmax ebb SW (235°)1.8 kt
6:34 AMslack–
9:52 AMmax flood ENE (074°)2.9 kt
1:59 PMslack–
4:08 PMmax ebb SW (235°)0.8 kt
5:59 PMslack–
9:05 PMmax flood ENE (074°)2.9 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.