RaceAtlas

Alcatraz Island Tides: Saturday, June 13, 2026

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

-1.3 ft4:57 AM4.5 ft12:12 PM2.9 ft4:21 PM7.0 ft10:34 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 10:34 PM, low -1.3 ft at 4:57 AM. Gate: flood 3.0 kt at 8:35 PM, ebb 1.8 kt at 1:59 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
4:57 AMLow-1.3 ft
12:12 PMHigh4.5 ft
4:21 PMLow2.9 ft
10:34 PMHigh7.0 ft
Current · Golden Gate
TimeStateSpeed
1:59 AMmax ebb SW (235°)1.8 kt
6:09 AMslack–
9:24 AMmax flood ENE (074°)2.9 kt
1:10 PMslack–
3:15 PMmax ebb SW (235°)0.9 kt
5:21 PMslack–
8:35 PMmax flood ENE (074°)3.0 kt
11:43 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.