RaceAtlas

Alcatraz Island Tides: Saturday, October 30, 2021

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

0.5 ft1:43 AM4.9 ft9:06 AM2.7 ft2:35 PM4.8 ft7:54 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 9:06 AM, low 0.5 ft at 1:43 AM. Gate: flood 2.3 kt at 6:12 AM, ebb 0.7 kt at 12:37 PM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
1:43 AMLow0.5 ft
9:06 AMHigh4.9 ft
2:35 PMLow2.7 ft
7:54 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
2:17 AMslack–
6:12 AMmax flood ENE (074°)2.3 kt
10:31 AMslack–
12:37 PMmax ebb SW (235°)0.7 kt
2:56 PMslack–
5:43 PMmax flood ENE (074°)1.6 kt
9:28 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.