RaceAtlas

Alcatraz Island Tides: Saturday, February 20, 2021

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

5.2 ft5:23 AM0.9 ft1:00 PM3.8 ft8:39 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 5:23 AM, low 0.9 ft at 1:00 PM. Gate: flood 1.8 kt at 5:57 PM, ebb 0.7 kt at 9:29 AM.
Modelled current at the Golden Gate on a 1.8 kt floodThe Gate at max flood, 1.8 kt
Tide height
TimeHeight
5:23 AMHigh5.2 ft
1:00 PMLow0.9 ft
8:39 PMHigh3.8 ft
Current · Golden Gate
TimeStateSpeed
2:46 AMmax flood ENE (074°)1.8 kt
6:47 AMslack–
9:29 AMmax ebb SW (235°)0.7 kt
1:38 PMslack–
5:57 PMmax flood ENE (074°)1.8 kt
9:36 PMslack–
10:46 PMmax ebb SW (235°)0.3 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.