RaceAtlas

Alcatraz Island Tides: Friday, February 19, 2021

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

5.2 ft4:32 AM1.2 ft11:53 AM3.5 ft7:07 PM3.0 ft11:06 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 4:32 AM, low 1.2 ft at 11:53 AM. Gate: flood 2.0 kt at 1:57 AM, ebb 0.7 kt at 8:33 AM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
4:32 AMHigh5.2 ft
11:53 AMLow1.2 ft
7:07 PMHigh3.5 ft
11:06 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
1:57 AMmax flood ENE (074°)2.0 kt
6:03 AMslack–
8:33 AMmax ebb SW (235°)0.7 kt
12:34 PMslack–
4:57 PMmax flood ENE (074°)1.7 kt
8:29 PMslack–
9:49 PMmax ebb SW (235°)0.3 kt
11:19 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.