RaceAtlas

Alcatraz Island Tides: Wednesday, April 8, 2026

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

5.0 ft3:38 AM0.3 ft11:05 AM3.8 ft7:19 PM3.5 ft11:03 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 3:38 AM, low 0.3 ft at 11:05 AM. Gate: flood 1.9 kt at 1:49 AM, ebb 0.9 kt at 7:51 AM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
3:38 AMHigh5.0 ft
11:05 AMLow0.3 ft
7:19 PMHigh3.8 ft
11:03 PMLow3.5 ft
Current · Golden Gate
TimeStateSpeed
1:49 AMmax flood ENE (074°)1.9 kt
5:08 AMslack–
7:51 AMmax ebb SW (235°)0.9 kt
12:00 PMslack–
4:57 PMmax flood ENE (074°)1.8 kt
8:54 PMslack–
10:05 PMmax ebb SW (235°)0.2 kt
11:23 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.