RaceAtlas

Alcatraz Island Tides: Sunday, August 16, 2020

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

-0.2 ft4:36 AM4.7 ft11:49 AM3.0 ft4:17 PM6.4 ft10:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 10:16 PM, low -0.2 ft at 4:36 AM. Gate: flood 2.5 kt at 9:09 AM, ebb 1.3 kt at 1:40 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:36 AMLow-0.2 ft
11:49 AMHigh4.7 ft
4:17 PMLow3.0 ft
10:16 PMHigh6.4 ft
Current · Golden Gate
TimeStateSpeed
1:40 AMmax ebb SW (235°)1.3 kt
5:35 AMslack–
9:09 AMmax flood ENE (074°)2.5 kt
12:58 PMslack–
2:57 PMmax ebb SW (235°)0.7 kt
4:54 PMslack–
8:01 PMmax flood ENE (074°)2.5 kt
11:23 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.