RaceAtlas

Alcatraz Island Tides: Wednesday, October 28, 2026

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

4.9 ft2:33 AM2.9 ft7:02 AM6.7 ft1:10 PM-1.1 ft8:10 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 1:10 PM, low -1.1 ft at 8:10 PM. Gate: flood 3.2 kt at 11:15 AM, ebb 1.9 kt at 4:58 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
2:33 AMHigh4.9 ft
7:02 AMLow2.9 ft
1:10 PMHigh6.7 ft
8:10 PMLow-1.1 ft
Current · Golden Gate
TimeStateSpeed
3:37 AMslack–
5:51 AMmax ebb SW (235°)1.0 kt
8:09 AMslack–
11:15 AMmax flood ENE (074°)3.2 kt
2:15 PMslack–
4:58 PMmax ebb SW (235°)1.9 kt
9:22 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.