RaceAtlas

Alcatraz Island Tides: Wednesday, October 21, 2020

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

4.8 ft4:52 AM3.0 ft9:32 AM6.0 ft3:34 PM-0.4 ft10:38 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 3:34 PM, low -0.4 ft at 10:38 PM. Gate: flood 2.9 kt at 1:24 PM, ebb 1.4 kt at 7:22 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
4:52 AMHigh4.8 ft
9:32 AMLow3.0 ft
3:34 PMHigh6.0 ft
10:38 PMLow-0.4 ft
Current · Golden Gate
TimeStateSpeed
1:56 AMmax flood ENE (074°)2.8 kt
5:53 AMslack–
8:11 AMmax ebb SW (235°)1.0 kt
10:26 AMslack–
1:24 PMmax flood ENE (074°)2.9 kt
4:39 PMslack–
7:22 PMmax ebb SW (235°)1.4 kt
11:39 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.