RaceAtlas

Alcatraz Island Tides: Friday, January 29, 2021

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

4.9 ft12:55 AM2.7 ft5:32 AM6.4 ft11:31 AM-1.0 ft6:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 11:31 AM, low -1.0 ft at 6:21 PM. Gate: flood 3.2 kt at 10:29 PM, ebb 2.0 kt at 3:48 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
12:55 AMHigh4.9 ft
5:32 AMLow2.7 ft
11:31 AMHigh6.4 ft
6:21 PMLow-1.0 ft
Current · Golden Gate
TimeStateSpeed
2:09 AMslack–
4:16 AMmax ebb SW (235°)0.8 kt
6:29 AMslack–
9:27 AMmax flood ENE (074°)2.7 kt
12:37 PMslack–
3:48 PMmax ebb SW (235°)2.0 kt
7:25 PMslack–
10:29 PMmax flood ENE (074°)3.2 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.