RaceAtlas

Alcatraz Island Tides: Thursday, October 28, 2021

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

4.4 ft7:50 AM3.6 ft12:37 PM4.7 ft5:27 PM4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 5:27 PM, low 3.6 ft at 12:37 PM. Gate: flood 1.9 kt at 5:08 AM, ebb 0.8 kt at 9:58 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
7:50 AMHigh4.4 ft
12:37 PMLow3.6 ft
5:27 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
12:33 AMslack–
5:08 AMmax flood ENE (074°)1.9 kt
9:23 AMslack–
10:47 AMmax ebb SW (235°)0.3 kt
12:15 PMslack–
3:16 PMmax flood ENE (074°)1.5 kt
6:54 PMslack–
9:58 PMmax ebb SW (235°)0.8 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.