RaceAtlas

Alcatraz Island Tides: Sunday, August 1, 2021

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

1.4 ft1:34 AM3.7 ft8:04 AM2.7 ft12:42 PM5.6 ft7:10 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 7:10 PM, low 1.4 ft at 1:34 AM. Gate: flood 1.9 kt at 6:00 AM, ebb 0.5 kt at 11:00 AM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
1:34 AMLow1.4 ft
8:04 AMHigh3.7 ft
12:42 PMLow2.7 ft
7:10 PMHigh5.6 ft
Current · Golden Gate
TimeStateSpeed
2:11 AMslack–
6:00 AMmax flood ENE (074°)1.9 kt
9:20 AMslack–
11:00 AMmax ebb SW (235°)0.5 kt
12:59 PMslack–
4:26 PMmax flood ENE (074°)1.9 kt
8:42 PMslack–

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.