RaceAtlas

Alcatraz Island Tides: Monday, September 20, 2021

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

0.0 ft5:52 AM5.5 ft12:35 PM1.4 ft6:09 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 12:35 PM, low 0.0 ft at 5:52 AM. Gate: flood 3.4 kt at 10:09 AM, ebb 1.8 kt at 5:06 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
5:52 AMLow0.0 ft
12:35 PMHigh5.5 ft
6:09 PMLow1.4 ft
Current · Golden Gate
TimeStateSpeed
12:50 AMslack–
4:22 AMmax ebb SW (235°)1.7 kt
6:53 AMslack–
10:09 AMmax flood ENE (074°)3.4 kt
1:47 PMslack–
5:06 PMmax ebb SW (235°)1.8 kt
7:26 PMslack–
10:23 PMmax flood ENE (074°)3.0 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.