RaceAtlas

Alcatraz Island Tides: Tuesday, April 15, 2025

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

5.5 ft1:09 AM-0.2 ft7:55 AM4.1 ft2:58 PM2.7 ft7:30 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 1:09 AM, low -0.2 ft at 7:55 AM. Gate: flood 2.4 kt at 11:43 PM, ebb 1.5 kt at 5:00 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:09 AMHigh5.5 ft
7:55 AMLow-0.2 ft
2:58 PMHigh4.1 ft
7:30 PMLow2.7 ft
Current · Golden Gate
TimeStateSpeed
2:20 AMslack–
5:00 AMmax ebb SW (235°)1.5 kt
9:05 AMslack–
12:42 PMmax flood ENE (074°)2.4 kt
4:50 PMslack–
6:44 PMmax ebb SW (235°)0.7 kt
8:38 PMslack–
11:43 PMmax flood ENE (074°)2.4 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.