RaceAtlas

Alcatraz Island Tides: Wednesday, November 19, 2025

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

2.8 ft4:12 AM6.0 ft10:17 AM-0.3 ft5:15 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 10:17 AM, low -0.3 ft at 5:15 PM. Gate: flood 2.8 kt at 9:57 PM, ebb 1.5 kt at 2:24 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
4:12 AMLow2.8 ft
10:17 AMHigh6.0 ft
5:15 PMLow-0.3 ft
Current · Golden Gate
TimeStateSpeed
12:52 AMslack–
2:59 AMmax ebb SW (235°)0.9 kt
5:07 AMslack–
8:15 AMmax flood ENE (074°)2.4 kt
11:30 AMslack–
2:24 PMmax ebb SW (235°)1.5 kt
6:25 PMslack–
9:57 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.