RaceAtlas

Alcatraz Island Tides: Wednesday, March 11, 2026

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

5.0 ft5:26 AM0.7 ft1:14 PM3.9 ft9:28 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 5:26 AM, low 0.7 ft at 1:14 PM. Gate: flood 1.9 kt at 6:33 PM, ebb 0.7 kt at 9:22 AM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
5:26 AMHigh5.0 ft
1:14 PMLow0.7 ft
9:28 PMHigh3.9 ft
Current · Golden Gate
TimeStateSpeed
3:09 AMmax flood ENE (074°)1.7 kt
6:59 AMslack–
9:22 AMmax ebb SW (235°)0.7 kt
1:52 PMslack–
6:33 PMmax flood ENE (074°)1.9 kt
10:24 PMslack–
11:33 PMmax ebb SW (235°)0.2 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.