RaceAtlas

Alcatraz Island Tides: Sunday, August 29, 2021

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

3.9 ft6:06 AM2.8 ft10:55 AM5.3 ft5:16 PM4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 5:16 PM, low 2.8 ft at 10:55 AM. Gate: flood 1.9 kt at 2:42 PM, ebb 0.7 kt at 9:09 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
6:06 AMHigh3.9 ft
10:55 AMLow2.8 ft
5:16 PMHigh5.3 ft
Current · Golden Gate
TimeStateSpeed
12:21 AMslack–
4:15 AMmax flood ENE (074°)1.9 kt
7:48 AMslack–
9:30 AMmax ebb SW (235°)0.6 kt
11:34 AMslack–
2:42 PMmax flood ENE (074°)1.9 kt
6:46 PMslack–
9:09 PMmax ebb SW (235°)0.7 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.