RaceAtlas

Alcatraz Island Tides: Monday, August 24, 2026

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

0.2 ft4:21 AM4.7 ft11:33 AM3.1 ft4:08 PM5.9 ft9:51 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 9:51 PM, low 0.2 ft at 4:21 AM. Gate: flood 2.5 kt at 9:06 AM, ebb 1.1 kt at 3:02 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:21 AMLow0.2 ft
11:33 AMHigh4.7 ft
4:08 PMLow3.1 ft
9:51 PMHigh5.9 ft
Current · Golden Gate
TimeStateSpeed
3:02 AMmax ebb SW (235°)1.1 kt
5:15 AMslack–
9:06 AMmax flood ENE (074°)2.5 kt
12:52 PMslack–
2:50 PMmax ebb SW (235°)0.5 kt
4:27 PMslack–
7:35 PMmax flood ENE (074°)1.8 kt
11:08 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.