RaceAtlas

Alcatraz Island Tides: Sunday, August 8, 2021

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

-0.5 ft6:31 AM4.9 ft1:38 PM2.8 ft6:18 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 1:38 PM, low -0.5 ft at 6:31 AM. Gate: flood 2.9 kt at 10:43 AM, ebb 1.7 kt at 3:56 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
6:31 AMLow-0.5 ft
1:38 PMHigh4.9 ft
6:18 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
12:42 AMslack–
3:56 AMmax ebb SW (235°)1.7 kt
7:31 AMslack–
10:43 AMmax flood ENE (074°)2.9 kt
2:53 PMslack–
4:59 PMmax ebb SW (235°)0.8 kt
7:13 PMslack–
10:10 PMmax flood ENE (074°)2.6 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.