RaceAtlas

Alcatraz Island Tides: Sunday, April 25, 2021

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

0.3 ft5:00 AM5.1 ft11:19 AM0.5 ft5:01 PM5.9 ft11:32 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 11:32 PM, low 0.3 ft at 5:00 AM. Gate: flood 3.5 kt at 9:08 PM, ebb 1.7 kt at 3:09 AM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
5:00 AMLow0.3 ft
11:19 AMHigh5.1 ft
5:01 PMLow0.5 ft
11:32 PMHigh5.9 ft
Current · Golden Gate
TimeStateSpeed
12:04 AMslack–
3:09 AMmax ebb SW (235°)1.7 kt
6:10 AMslack–
9:10 AMmax flood ENE (074°)2.8 kt
12:36 PMslack–
3:19 PMmax ebb SW (235°)1.5 kt
6:00 PMslack–
9:08 PMmax flood ENE (074°)3.5 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.