RaceAtlas

Alcatraz Island Tides: Thursday, June 19, 2025

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

1.7 ft1:00 AM3.9 ft6:39 AM1.0 ft12:24 PM5.8 ft7:23 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 7:23 PM, low 1.0 ft at 12:24 PM. Gate: flood 3.0 kt at 4:41 PM, ebb 1.4 kt at 11:48 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
1:00 AMLow1.7 ft
6:39 AMHigh3.9 ft
12:24 PMLow1.0 ft
7:23 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
1:53 AMslack–
4:44 AMmax flood ENE (074°)1.9 kt
8:18 AMslack–
10:46 AMmax ebb SW (235°)1.1 kt
1:12 PMslack–
4:41 PMmax flood ENE (074°)3.0 kt
8:37 PMslack–
11:48 PMmax ebb SW (235°)1.4 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.