RaceAtlas

Alcatraz Island Tides: Sunday, November 21, 2021

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

4.6 ft1:40 AM3.2 ft6:01 AM5.8 ft11:50 AM-0.3 ft6:53 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 11:50 AM, low -0.3 ft at 6:53 PM. Gate: flood 2.6 kt at 11:56 PM, ebb 1.4 kt at 4:01 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
1:40 AMHigh4.6 ft
6:01 AMLow3.2 ft
11:50 AMHigh5.8 ft
6:53 PMLow-0.3 ft
Current · Golden Gate
TimeStateSpeed
3:06 AMslack–
5:01 AMmax ebb SW (235°)0.7 kt
7:05 AMslack–
10:00 AMmax flood ENE (074°)2.3 kt
1:13 PMslack–
4:01 PMmax ebb SW (235°)1.4 kt
8:17 PMslack–
11:56 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.