RaceAtlas

Alcatraz Island Tides: Wednesday, August 16, 2023

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

-0.2 ft6:40 AM4.9 ft1:39 PM2.6 ft6:33 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 1:39 PM, low -0.2 ft at 6:40 AM. Gate: flood 3.0 kt at 11:08 AM, ebb 1.6 kt at 4:48 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
6:40 AMLow-0.2 ft
1:39 PMHigh4.9 ft
6:33 PMLow2.6 ft
Current · Golden Gate
TimeStateSpeed
1:15 AMslack–
4:48 AMmax ebb SW (235°)1.6 kt
7:45 AMslack–
11:08 AMmax flood ENE (074°)3.0 kt
3:03 PMslack–
5:29 PMmax ebb SW (235°)0.9 kt
7:38 PMslack–
10:34 PMmax flood ENE (074°)2.2 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.