RaceAtlas

Alcatraz Island Tides: Friday, May 2, 2031

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

1.5 ft3:07 AM4.1 ft8:53 AM1.0 ft2:47 PM5.2 ft9:31 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 9:31 PM, low 1.0 ft at 2:47 PM. Gate: flood 2.5 kt at 6:40 PM, ebb 1.0 kt at 12:46 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:07 AMLow1.5 ft
8:53 AMHigh4.1 ft
2:47 PMLow1.0 ft
9:31 PMHigh5.2 ft
Current · Golden Gate
TimeStateSpeed
12:46 AMmax ebb SW (235°)1.0 kt
3:44 AMslack–
6:47 AMmax flood ENE (074°)1.7 kt
10:35 AMslack–
12:40 PMmax ebb SW (235°)0.8 kt
3:15 PMslack–
6:40 PMmax flood ENE (074°)2.5 kt
10:41 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.