RaceAtlas

Alcatraz Island Tides: Saturday, August 14, 2021

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

4.5 ft4:40 AM1.6 ft10:15 AM6.0 ft5:06 PM1.0 ft11:42 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 5:06 PM, low 1.0 ft at 11:42 PM. Gate: flood 3.2 kt at 2:31 PM, ebb 1.4 kt at 8:39 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
4:40 AMHigh4.5 ft
10:15 AMLow1.6 ft
5:06 PMHigh6.0 ft
11:42 PMLow1.0 ft
Current · Golden Gate
TimeStateSpeed
2:27 AMmax flood ENE (074°)2.3 kt
6:15 AMslack–
8:47 AMmax ebb SW (235°)1.2 kt
11:19 AMslack–
2:31 PMmax flood ENE (074°)3.2 kt
6:02 PMslack–
8:39 PMmax ebb SW (235°)1.4 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.