RaceAtlas

Alcatraz Island Tides: Saturday, April 19, 2025

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

5.0 ft3:38 AM-0.0 ft11:05 AM3.9 ft7:17 PM3.5 ft11:03 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 3:38 AM, low -0.0 ft at 11:05 AM. Gate: flood 2.1 kt at 1:57 AM, ebb 1.2 kt at 7:56 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
3:38 AMHigh5.0 ft
11:05 AMLow-0.0 ft
7:17 PMHigh3.9 ft
11:03 PMLow3.5 ft
Current · Golden Gate
TimeStateSpeed
1:57 AMmax flood ENE (074°)2.1 kt
5:01 AMslack–
7:56 AMmax ebb SW (235°)1.2 kt
11:56 AMslack–
3:38 PMmax flood ENE (074°)1.8 kt
9:01 PMslack–
10:19 PMmax ebb SW (235°)0.2 kt
11:39 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.