RaceAtlas

Alcatraz Island Tides: Saturday, October 23, 2021

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

4.6 ft2:39 AM2.7 ft7:28 AM5.7 ft1:28 PM0.1 ft8:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 1:28 PM, low 0.1 ft at 8:16 PM. Gate: flood 2.8 kt at 12:32 AM, ebb 1.3 kt at 5:38 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
2:39 AMHigh4.6 ft
7:28 AMLow2.7 ft
1:28 PMHigh5.7 ft
8:16 PMLow0.1 ft
Current · Golden Gate
TimeStateSpeed
12:32 AMmax flood ENE (074°)2.8 kt
4:13 AMslack–
6:22 AMmax ebb SW (235°)0.9 kt
8:39 AMslack–
11:34 AMmax flood ENE (074°)2.4 kt
2:54 PMslack–
5:38 PMmax ebb SW (235°)1.3 kt
9:40 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.