RaceAtlas

Alcatraz Island Tides: Monday, April 13, 2026

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

2.0 ft3:31 AM4.7 ft9:13 AM0.2 ft3:36 PM4.9 ft10:24 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 10:24 PM, low 0.2 ft at 3:36 PM. Gate: flood 2.7 kt at 7:36 PM, ebb 1.1 kt at 1:07 PM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
3:31 AMLow2.0 ft
9:13 AMHigh4.7 ft
3:36 PMLow0.2 ft
10:24 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
1:54 AMmax ebb SW (235°)1.0 kt
4:15 AMslack–
7:06 AMmax flood ENE (074°)1.8 kt
10:39 AMslack–
1:07 PMmax ebb SW (235°)1.1 kt
4:06 PMslack–
7:36 PMmax flood ENE (074°)2.7 kt
11:38 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.