RaceAtlas

Alcatraz Island Tides: Friday, October 29, 2021

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

0.5 ft12:46 AM4.6 ft8:33 AM3.2 ft1:45 PM4.7 ft6:43 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 6:43 PM, low 0.5 ft at 12:46 AM. Gate: flood 2.0 kt at 5:46 AM, ebb 0.9 kt at 11:12 PM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
12:46 AMLow0.5 ft
8:33 AMHigh4.6 ft
1:45 PMLow3.2 ft
6:43 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
1:25 AMslack–
5:46 AMmax flood ENE (074°)2.0 kt
10:03 AMslack–
11:46 AMmax ebb SW (235°)0.5 kt
1:36 PMslack–
4:28 PMmax flood ENE (074°)1.4 kt
8:14 PMslack–
11:12 PMmax ebb SW (235°)0.9 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.