RaceAtlas

Alcatraz Island Tides: Tuesday, May 20, 2031

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

-0.7 ft6:03 AM4.5 ft1:01 PM2.4 ft5:40 PM6.0 ft11:46 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 11:46 PM, low -0.7 ft at 6:03 AM. Gate: flood 3.2 kt at 10:24 AM, ebb 1.8 kt at 4:47 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:03 AMLow-0.7 ft
1:01 PMHigh4.5 ft
5:40 PMLow2.4 ft
11:46 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
12:29 AMslack–
4:47 AMmax ebb SW (235°)1.8 kt
7:12 AMslack–
10:24 AMmax flood ENE (074°)3.2 kt
1:53 PMslack–
4:17 PMmax ebb SW (235°)1.2 kt
6:41 PMslack–
9:45 PMmax flood ENE (074°)2.8 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.