RaceAtlas

Alcatraz Island Tides: Tuesday, July 21, 2020

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

6.6 ft12:03 AM-1.0 ft7:01 AM5.0 ft2:16 PM2.9 ft6:47 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 12:03 AM, low -1.0 ft at 7:01 AM. Gate: flood 3.1 kt at 11:13 AM, ebb 1.9 kt at 4:16 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
12:03 AMHigh6.6 ft
7:01 AMLow-1.0 ft
2:16 PMHigh5.0 ft
6:47 PMLow2.9 ft
Current · Golden Gate
TimeStateSpeed
1:06 AMslack–
4:16 AMmax ebb SW (235°)1.9 kt
8:08 AMslack–
11:13 AMmax flood ENE (074°)3.1 kt
3:27 PMslack–
5:40 PMmax ebb SW (235°)0.9 kt
7:51 PMslack–
10:48 PMmax flood ENE (074°)2.9 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.