RaceAtlas

Alcatraz Island Tides: Monday, August 23, 2021

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

6.4 ft12:24 AM-0.5 ft7:00 AM5.4 ft1:52 PM2.0 ft7:07 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 12:24 AM, low -0.5 ft at 7:00 AM. Gate: flood 3.4 kt at 11:19 AM, ebb 1.8 kt at 5:21 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
12:24 AMHigh6.4 ft
7:00 AMLow-0.5 ft
1:52 PMHigh5.4 ft
7:07 PMLow2.0 ft
Current · Golden Gate
TimeStateSpeed
1:46 AMslack–
5:21 AMmax ebb SW (235°)1.8 kt
8:08 AMslack–
11:19 AMmax flood ENE (074°)3.4 kt
3:06 PMslack–
6:17 PMmax ebb SW (235°)1.6 kt
8:28 PMslack–
11:19 PMmax flood ENE (074°)2.9 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.