RaceAtlas

Alcatraz Island Tides: Saturday, May 15, 2021

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

5.5 ft1:41 AM-0.5 ft8:47 AM4.2 ft4:29 PM3.3 ft8:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 1:41 AM, low -0.5 ft at 8:47 AM. Gate: flood 2.3 kt at 1:31 PM, ebb 1.4 kt at 5:50 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
1:41 AMHigh5.5 ft
8:47 AMLow-0.5 ft
4:29 PMHigh4.2 ft
8:33 PMLow3.3 ft
Current · Golden Gate
TimeStateSpeed
2:55 AMslack–
5:50 AMmax ebb SW (235°)1.4 kt
9:59 AMslack–
1:31 PMmax flood ENE (074°)2.3 kt
6:13 PMslack–
7:45 PMmax ebb SW (235°)0.5 kt
9:22 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.