RaceAtlas

Alcatraz Island Tides: Wednesday, January 22, 2031

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

2.3 ft4:10 AM7.0 ft10:20 AM-1.4 ft5:07 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 10:20 AM, low -1.4 ft at 5:07 PM. Gate: flood 3.4 kt at 9:29 PM, ebb 2.0 kt at 3:18 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
4:10 AMLow2.3 ft
10:20 AMHigh7.0 ft
5:07 PMLow-1.4 ft
Current · Golden Gate
TimeStateSpeed
12:37 AMslack–
3:16 AMmax ebb SW (235°)1.2 kt
5:16 AMslack–
8:15 AMmax flood ENE (074°)3.2 kt
11:27 AMslack–
3:18 PMmax ebb SW (235°)2.0 kt
6:24 PMslack–
9:29 PMmax flood ENE (074°)3.4 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.