RaceAtlas

Alcatraz Island Tides: Sunday, August 15, 2021

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

4.1 ft6:09 AM2.3 ft11:09 AM6.1 ft5:55 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 5:55 PM, low 2.3 ft at 11:09 AM. Gate: flood 2.9 kt at 3:24 PM, ebb 1.3 kt at 9:31 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
6:09 AMHigh4.1 ft
11:09 AMLow2.3 ft
5:55 PMHigh6.1 ft
Current · Golden Gate
TimeStateSpeed
12:32 AMslack–
3:35 AMmax flood ENE (074°)2.1 kt
7:37 AMslack–
9:54 AMmax ebb SW (235°)0.9 kt
12:11 PMslack–
3:24 PMmax flood ENE (074°)2.9 kt
6:53 PMslack–
9:31 PMmax ebb SW (235°)1.3 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.