RaceAtlas

Alcatraz Island Tides: Thursday, September 3, 2026

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

4.0 ft5:48 AM3.0 ft10:03 AM6.1 ft4:37 PM0.4 ft11:55 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 4:37 PM, low 0.4 ft at 11:55 PM. Gate: flood 2.8 kt at 2:28 PM, ebb 1.3 kt at 8:19 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
5:48 AMHigh4.0 ft
10:03 AMLow3.0 ft
4:37 PMHigh6.1 ft
11:55 PMLow0.4 ft
Current · Golden Gate
TimeStateSpeed
2:47 AMmax flood ENE (074°)2.3 kt
7:02 AMslack–
9:02 AMmax ebb SW (235°)0.8 kt
11:08 AMslack–
2:28 PMmax flood ENE (074°)2.8 kt
5:42 PMslack–
8:19 PMmax ebb SW (235°)1.3 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.