RaceAtlas

Alcatraz Island Tides: Sunday, May 16, 2021

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

5.3 ft2:20 AM-0.4 ft9:31 AM4.2 ft5:24 PM3.4 ft9:28 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 2:20 AM, low -0.4 ft at 9:31 AM. Gate: flood 2.2 kt at 12:38 AM, ebb 1.4 kt at 6:41 AM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
2:20 AMHigh5.3 ft
9:31 AMLow-0.4 ft
5:24 PMHigh4.2 ft
9:28 PMLow3.4 ft
Current · Golden Gate
TimeStateSpeed
12:38 AMmax flood ENE (074°)2.2 kt
3:36 AMslack–
6:41 AMmax ebb SW (235°)1.4 kt
10:39 AMslack–
2:05 PMmax flood ENE (074°)2.2 kt
7:08 PMslack–
8:34 PMmax ebb SW (235°)0.4 kt
10:09 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.