RaceAtlas

Alcatraz Island Tides: Sunday, January 31, 2027

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

3.2 ft12:18 AM5.7 ft6:31 AM0.3 ft2:07 PM4.2 ft9:32 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 6:31 AM, low 0.3 ft at 2:07 PM. Gate: flood 2.3 kt at 6:21 PM, ebb 0.9 kt at 12:36 PM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
12:18 AMLow3.2 ft
6:31 AMHigh5.7 ft
2:07 PMLow0.3 ft
9:32 PMHigh4.2 ft
Current · Golden Gate
TimeStateSpeed
12:41 AMslack–
4:02 AMmax flood ENE (074°)2.1 kt
7:57 AMslack–
12:36 PMmax ebb SW (235°)0.9 kt
2:44 PMslack–
6:21 PMmax flood ENE (074°)2.3 kt
9:50 PMslack–
11:42 PMmax ebb SW (235°)0.6 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.