RaceAtlas

Alcatraz Island Tides: Wednesday, September 22, 2021

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

5.5 ft1:04 AM0.9 ft6:59 AM5.6 ft1:30 PM1.0 ft7:29 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 1:30 PM, low 0.9 ft at 6:59 AM. Gate: flood 3.2 kt at 11:13 AM, ebb 1.6 kt at 6:28 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
1:04 AMHigh5.5 ft
6:59 AMLow0.9 ft
1:30 PMHigh5.6 ft
7:29 PMLow1.0 ft
Current · Golden Gate
TimeStateSpeed
2:31 AMslack–
5:14 AMmax ebb SW (235°)1.5 kt
8:05 AMslack–
11:13 AMmax flood ENE (074°)3.2 kt
2:53 PMslack–
6:28 PMmax ebb SW (235°)1.6 kt
8:56 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.