RaceAtlas

Alcatraz Island Tides: Thursday, December 23, 2021

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

4.7 ft3:23 AM3.4 ft7:52 AM5.4 ft1:27 PM-0.3 ft8:28 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 1:27 PM, low -0.3 ft at 8:28 PM. Gate: flood 2.6 kt at 12:19 AM, ebb 1.5 kt at 6:14 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
3:23 AMHigh4.7 ft
7:52 AMLow3.4 ft
1:27 PMHigh5.4 ft
8:28 PMLow-0.3 ft
Current · Golden Gate
TimeStateSpeed
12:19 AMmax flood ENE (074°)2.6 kt
5:08 AMslack–
6:56 AMmax ebb SW (235°)0.6 kt
8:47 AMslack–
11:49 AMmax flood ENE (074°)2.1 kt
2:51 PMslack–
6:14 PMmax ebb SW (235°)1.5 kt
9:32 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.