RaceAtlas

Alcatraz Island Tides: Tuesday, May 4, 2021

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

2.8 ft1:08 AM4.8 ft6:24 AM-0.2 ft1:23 PM5.0 ft8:45 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 8:45 PM, low -0.2 ft at 1:23 PM. Gate: flood 2.6 kt at 5:55 PM, ebb 1.0 kt at 11:51 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
1:08 AMLow2.8 ft
6:24 AMHigh4.8 ft
1:23 PMLow-0.2 ft
8:45 PMHigh5.0 ft
Current · Golden Gate
TimeStateSpeed
1:15 AMslack–
4:08 AMmax flood ENE (074°)1.9 kt
7:43 AMslack–
11:51 AMmax ebb SW (235°)1.0 kt
2:06 PMslack–
5:55 PMmax flood ENE (074°)2.6 kt
9:45 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.