RaceAtlas

Alcatraz Island Tides: Friday, November 20, 2026

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

1.3 ft1:15 AM5.6 ft7:59 AM0.9 ft2:31 PM4.2 ft8:45 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 7:59 AM, low 0.9 ft at 2:31 PM. Gate: flood 2.7 kt at 5:09 AM, ebb 1.4 kt at 12:06 PM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
1:15 AMLow1.3 ft
7:59 AMHigh5.6 ft
2:31 PMLow0.9 ft
8:45 PMHigh4.2 ft
Current · Golden Gate
TimeStateSpeed
1:30 AMslack–
5:09 AMmax flood ENE (074°)2.7 kt
9:11 AMslack–
12:06 PMmax ebb SW (235°)1.4 kt
3:28 PMslack–
6:34 PMmax flood ENE (074°)2.0 kt
10:10 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.