RaceAtlas

Alcatraz Island Tides: Monday, October 18, 2021

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

0.5 ft4:42 AM5.7 ft11:21 AM1.0 ft5:19 PM5.2 ft11:30 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 11:21 AM, low 0.5 ft at 4:42 AM. Gate: flood 3.2 kt at 8:59 AM, ebb 1.9 kt at 4:03 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
4:42 AMLow0.5 ft
11:21 AMHigh5.7 ft
5:19 PMLow1.0 ft
11:30 PMHigh5.2 ft
Current · Golden Gate
TimeStateSpeed
3:16 AMmax ebb SW (235°)1.4 kt
5:32 AMslack–
8:59 AMmax flood ENE (074°)3.2 kt
12:30 PMslack–
4:03 PMmax ebb SW (235°)1.9 kt
6:24 PMslack–
9:28 PMmax flood ENE (074°)2.9 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.