RaceAtlas

Alcatraz Island Tides: Tuesday, October 12, 2021

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

4.6 ft6:32 AM3.4 ft10:57 AM5.8 ft4:54 PM4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 4:54 PM, low 3.4 ft at 10:57 AM. Gate: flood 2.6 kt at 2:37 PM, ebb 1.2 kt at 8:33 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
6:32 AMHigh4.6 ft
10:57 AMLow3.4 ft
4:54 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
3:10 AMmax flood ENE (074°)2.4 kt
7:28 AMslack–
9:32 AMmax ebb SW (235°)0.7 kt
11:36 AMslack–
2:37 PMmax flood ENE (074°)2.6 kt
5:56 PMslack–
8:33 PMmax ebb SW (235°)1.2 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.