RaceAtlas

Alcatraz Island Tides: Tuesday, October 20, 2020

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

5.0 ft3:41 AM2.6 ft8:30 AM6.4 ft2:41 PM-0.7 ft9:34 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 2:41 PM, low -0.7 ft at 9:34 PM. Gate: flood 3.2 kt at 12:34 PM, ebb 1.7 kt at 6:29 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
3:41 AMHigh5.0 ft
8:30 AMLow2.6 ft
2:41 PMHigh6.4 ft
9:34 PMLow-0.7 ft
Current · Golden Gate
TimeStateSpeed
1:00 AMmax flood ENE (074°)3.0 kt
4:48 AMslack–
7:18 AMmax ebb SW (235°)1.2 kt
9:35 AMslack–
12:34 PMmax flood ENE (074°)3.2 kt
3:43 PMslack–
6:29 PMmax ebb SW (235°)1.7 kt
10:43 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.