RaceAtlas

Alcatraz Island Tides: Sunday, July 13, 2025

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

6.1 ft1:17 AM-0.9 ft8:12 AM5.0 ft3:25 PM2.8 ft8:11 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 1:17 AM, low -0.9 ft at 8:12 AM. Gate: flood 3.2 kt at 12:21 PM, ebb 1.9 kt at 5:36 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
1:17 AMHigh6.1 ft
8:12 AMLow-0.9 ft
3:25 PMHigh5.0 ft
8:11 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
2:27 AMslack–
5:36 AMmax ebb SW (235°)1.9 kt
9:09 AMslack–
12:21 PMmax flood ENE (074°)3.2 kt
4:49 PMslack–
7:17 PMmax ebb SW (235°)0.9 kt
9:25 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.