RaceAtlas

Alcatraz Island Tides: Tuesday, September 29, 2026

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

4.9 ft2:23 AM2.2 ft7:26 AM6.3 ft1:44 PM-0.2 ft8:24 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 1:44 PM, low -0.2 ft at 8:24 PM. Gate: flood 3.3 kt at 11:38 AM, ebb 1.9 kt at 5:26 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
2:23 AMHigh4.9 ft
7:26 AMLow2.2 ft
1:44 PMHigh6.3 ft
8:24 PMLow-0.2 ft
Current · Golden Gate
TimeStateSpeed
3:37 AMslack–
6:04 AMmax ebb SW (235°)1.3 kt
8:30 AMslack–
11:38 AMmax flood ENE (074°)3.3 kt
2:44 PMslack–
5:26 PMmax ebb SW (235°)1.9 kt
9:31 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.