RaceAtlas

Alcatraz Island Tides: Friday, March 12, 2021

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

1.7 ft4:53 AM5.7 ft10:52 AM-0.2 ft5:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 10:52 AM, low -0.2 ft at 5:16 PM. Gate: flood 3.4 kt at 9:35 PM, ebb 1.7 kt at 3:41 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
4:53 AMLow1.7 ft
10:52 AMHigh5.7 ft
5:16 PMLow-0.2 ft
Current · Golden Gate
TimeStateSpeed
12:39 AMslack–
3:44 AMmax ebb SW (235°)1.6 kt
5:56 AMslack–
8:55 AMmax flood ENE (074°)2.8 kt
12:10 PMslack–
3:41 PMmax ebb SW (235°)1.7 kt
6:18 PMslack–
9:35 PMmax flood ENE (074°)3.4 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.