RaceAtlas

Alcatraz Island Tides: Wednesday, April 7, 2021

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

2.2 ft3:29 AM5.1 ft9:10 AM-0.2 ft3:50 PM5.1 ft10:47 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 9:10 AM, low -0.2 ft at 3:50 PM. Gate: flood 3.0 kt at 8:10 PM, ebb 1.3 kt at 2:32 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:29 AMLow2.2 ft
9:10 AMHigh5.1 ft
3:50 PMLow-0.2 ft
10:47 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
1:50 AMmax ebb SW (235°)1.2 kt
3:53 AMslack–
6:56 AMmax flood ENE (074°)2.2 kt
10:27 AMslack–
2:32 PMmax ebb SW (235°)1.3 kt
4:38 PMslack–
8:10 PMmax flood ENE (074°)3.0 kt
11:45 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.