RaceAtlas

Alcatraz Island Tides: Monday, September 22, 2025

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

5.4 ft12:29 AM0.9 ft6:23 AM5.6 ft12:55 PM0.9 ft6:54 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 12:55 PM, low 0.9 ft at 6:23 AM. Gate: flood 3.2 kt at 10:38 AM, ebb 1.6 kt at 5:33 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
12:29 AMHigh5.4 ft
6:23 AMLow0.9 ft
12:55 PMHigh5.6 ft
6:54 PMLow0.9 ft
Current · Golden Gate
TimeStateSpeed
2:00 AMslack–
4:49 AMmax ebb SW (235°)1.5 kt
7:27 AMslack–
10:38 AMmax flood ENE (074°)3.2 kt
2:12 PMslack–
5:33 PMmax ebb SW (235°)1.6 kt
8:18 PMslack–
11:24 PMmax flood ENE (074°)2.8 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.