RaceAtlas

Alcatraz Island Tides: Saturday, October 21, 2023

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

4.4 ft7:06 AM3.7 ft11:01 AM5.4 ft4:49 PM4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 4:49 PM, low 3.7 ft at 11:01 AM. Gate: flood 2.2 kt at 2:55 PM, ebb 1.3 kt at 8:56 PM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
7:06 AMHigh4.4 ft
11:01 AMLow3.7 ft
4:49 PMHigh5.4 ft
Current · Golden Gate
TimeStateSpeed
3:24 AMmax flood ENE (074°)2.2 kt
8:32 AMslack–
10:13 AMmax ebb SW (235°)0.4 kt
11:49 AMslack–
2:55 PMmax flood ENE (074°)2.2 kt
6:04 PMslack–
8:56 PMmax ebb SW (235°)1.3 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.