RaceAtlas

Alcatraz Island Tides: Thursday, September 23, 2027

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

4.2 ft7:43 AM3.6 ft11:31 AM5.7 ft5:37 PM4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 5:37 PM, low 3.6 ft at 11:31 AM. Gate: flood 2.2 kt at 3:28 PM, ebb 1.1 kt at 9:48 PM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
7:43 AMHigh4.2 ft
11:31 AMLow3.6 ft
5:37 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
12:46 AMslack–
4:13 AMmax flood ENE (074°)2.0 kt
8:54 AMslack–
10:33 AMmax ebb SW (235°)0.4 kt
12:11 PMslack–
3:28 PMmax flood ENE (074°)2.2 kt
6:48 PMslack–
9:48 PMmax ebb SW (235°)1.1 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.