RaceAtlas

Alcatraz Island Tides: Tuesday, September 28, 2021

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

4.1 ft7:29 AM3.6 ft11:37 AM5.1 ft5:07 PM4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 5:07 PM, low 3.6 ft at 11:37 AM. Gate: flood 1.8 kt at 5:04 AM, ebb 0.7 kt at 9:07 PM.
Modelled current at the Golden Gate on a 1.8 kt floodThe Gate at max flood, 1.8 kt
Tide height
TimeHeight
7:29 AMHigh4.1 ft
11:37 AMLow3.6 ft
5:07 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
12:21 AMslack–
5:04 AMmax flood ENE (074°)1.8 kt
8:50 AMslack–
10:07 AMmax ebb SW (235°)0.3 kt
11:35 AMslack–
2:48 PMmax flood ENE (074°)1.7 kt
6:30 PMslack–
9:07 PMmax ebb SW (235°)0.7 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.