RaceAtlas

Alcatraz Island Tides: Sunday, September 13, 2026

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

5.3 ft1:42 AM1.2 ft7:23 AM5.9 ft1:52 PM0.6 ft8:06 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 1:52 PM, low 0.6 ft at 8:06 PM. Gate: flood 3.3 kt at 11:35 AM, ebb 1.6 kt at 6:28 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
1:42 AMHigh5.3 ft
7:23 AMLow1.2 ft
1:52 PMHigh5.9 ft
8:06 PMLow0.6 ft
Current · Golden Gate
TimeStateSpeed
3:11 AMslack–
5:56 AMmax ebb SW (235°)1.5 kt
8:32 AMslack–
11:35 AMmax flood ENE (074°)3.3 kt
3:07 PMslack–
6:28 PMmax ebb SW (235°)1.6 kt
9:28 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.