RaceAtlas

Alcatraz Island Tides: Wednesday, August 19, 2020

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

-0.8 ft6:35 AM5.3 ft1:33 PM2.1 ft6:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 1:33 PM, low -0.8 ft at 6:35 AM. Gate: flood 3.4 kt at 10:43 AM, ebb 2.0 kt at 4:13 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
6:35 AMLow-0.8 ft
1:33 PMHigh5.3 ft
6:33 PMLow2.1 ft
Current · Golden Gate
TimeStateSpeed
12:59 AMslack–
4:13 AMmax ebb SW (235°)2.0 kt
7:41 AMslack–
10:43 AMmax flood ENE (074°)3.4 kt
2:43 PMslack–
5:16 PMmax ebb SW (235°)1.2 kt
7:45 PMslack–
10:37 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.