RaceAtlas

Alcatraz Island Tides: Wednesday, May 13, 2026

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

0.6 ft3:45 AM4.2 ft10:00 AM1.3 ft3:21 PM5.8 ft9:53 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 9:53 PM, low 0.6 ft at 3:45 AM. Gate: flood 3.0 kt at 7:23 PM, ebb 1.5 kt at 1:35 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:45 AMLow0.6 ft
10:00 AMHigh4.2 ft
3:21 PMLow1.3 ft
9:53 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
1:35 AMmax ebb SW (235°)1.5 kt
4:48 AMslack–
7:51 AMmax flood ENE (074°)2.3 kt
11:23 AMslack–
1:33 PMmax ebb SW (235°)1.0 kt
4:01 PMslack–
7:23 PMmax flood ENE (074°)3.0 kt
10:59 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.