RaceAtlas

Alcatraz Island Tides: Monday, April 20, 2020

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

1.0 ft5:13 AM4.6 ft11:16 AM0.8 ft5:07 PM5.2 ft11:38 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 11:38 PM, low 0.8 ft at 5:07 PM. Gate: flood 2.8 kt at 9:22 PM, ebb 1.5 kt at 3:51 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
5:13 AMLow1.0 ft
11:16 AMHigh4.6 ft
5:07 PMLow0.8 ft
11:38 PMHigh5.2 ft
Current · Golden Gate
TimeStateSpeed
12:31 AMslack–
3:51 AMmax ebb SW (235°)1.5 kt
6:08 AMslack–
9:21 AMmax flood ENE (074°)2.4 kt
12:33 PMslack–
3:13 PMmax ebb SW (235°)1.2 kt
5:51 PMslack–
9:22 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.