RaceAtlas

Alcatraz Island Tides: Wednesday, April 19, 2023

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

-0.2 ft5:53 AM5.0 ft12:19 PM0.9 ft5:47 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 12:19 PM, low -0.2 ft at 5:53 AM. Gate: flood 3.5 kt at 9:55 PM, ebb 2.1 kt at 4:31 AM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
5:53 AMLow-0.2 ft
12:19 PMHigh5.0 ft
5:47 PMLow0.9 ft
Current · Golden Gate
TimeStateSpeed
12:47 AMslack–
4:31 AMmax ebb SW (235°)2.1 kt
7:08 AMslack–
10:07 AMmax flood ENE (074°)3.3 kt
1:31 PMslack–
4:10 PMmax ebb SW (235°)1.5 kt
6:47 PMslack–
9:55 PMmax flood ENE (074°)3.5 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.