RaceAtlas

Alcatraz Island Tides: Friday, January 23, 2026

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

5.4 ft2:51 AM1.9 ft8:31 AM4.7 ft2:23 PM0.7 ft8:29 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 2:51 AM, low 0.7 ft at 8:29 PM. Gate: flood 3.4 kt at 12:06 AM, ebb 1.4 kt at 6:49 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
2:51 AMHigh5.4 ft
8:31 AMLow1.9 ft
2:23 PMHigh4.7 ft
8:29 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
12:06 AMmax flood ENE (074°)3.4 kt
4:01 AMslack–
6:50 AMmax ebb SW (235°)1.3 kt
9:47 AMslack–
12:38 PMmax flood ENE (074°)2.3 kt
4:01 PMslack–
6:49 PMmax ebb SW (235°)1.4 kt
9:27 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.