RaceAtlas

Alcatraz Island Tides: Thursday, May 13, 2021

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

5.7 ft12:38 AM-0.5 ft7:33 AM4.3 ft2:50 PM2.9 ft7:13 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 12:38 AM, low -0.5 ft at 7:33 AM. Gate: flood 2.6 kt at 12:21 PM, ebb 1.5 kt at 4:39 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
12:38 AMHigh5.7 ft
7:33 AMLow-0.5 ft
2:50 PMHigh4.3 ft
7:13 PMLow2.9 ft
Current · Golden Gate
TimeStateSpeed
1:52 AMslack–
4:39 AMmax ebb SW (235°)1.5 kt
8:49 AMslack–
12:21 PMmax flood ENE (074°)2.6 kt
4:21 PMslack–
6:11 PMmax ebb SW (235°)0.7 kt
8:10 PMslack–
11:11 PMmax flood ENE (074°)2.4 kt

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.