RaceAtlas

Alcatraz Island Tides: Tuesday, October 19, 2021

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

0.9 ft5:17 AM5.8 ft11:49 AM0.6 ft5:56 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 11:49 AM, low 0.6 ft at 5:56 PM. Gate: flood 3.2 kt at 9:33 AM, ebb 1.9 kt at 4:42 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
5:17 AMLow0.9 ft
11:49 AMHigh5.8 ft
5:56 PMLow0.6 ft
Current · Golden Gate
TimeStateSpeed
12:43 AMslack–
3:43 AMmax ebb SW (235°)1.4 kt
6:10 AMslack–
9:33 AMmax flood ENE (074°)3.2 kt
1:03 PMslack–
4:42 PMmax ebb SW (235°)1.9 kt
7:11 PMslack–
10:14 PMmax flood ENE (074°)3.0 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.