RaceAtlas

Alcatraz Island Tides: Thursday, September 30, 2021

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

0.7 ft1:46 AM4.5 ft9:29 AM3.3 ft2:13 PM5.1 ft7:26 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 7:26 PM, low 0.7 ft at 1:46 AM. Gate: flood 2.0 kt at 6:56 AM, ebb 0.8 kt at 11:49 PM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
1:46 AMLow0.7 ft
9:29 AMHigh4.5 ft
2:13 PMLow3.3 ft
7:26 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
2:27 AMslack–
6:56 AMmax flood ENE (074°)2.0 kt
10:48 AMslack–
12:09 PMmax ebb SW (235°)0.3 kt
1:44 PMslack–
4:55 PMmax flood ENE (074°)1.5 kt
8:54 PMslack–
11:49 PMmax ebb SW (235°)0.8 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.