RaceAtlas

Alcatraz Island Tides: Wednesday, January 20, 2027

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

3.2 ft2:50 AM7.0 ft8:58 AM-1.4 ft4:12 PM4.9 ft11:27 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 8:58 AM, low -1.4 ft at 4:12 PM. Gate: flood 3.0 kt at 8:40 PM, ebb 1.8 kt at 2:40 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:50 AMLow3.2 ft
8:58 AMHigh7.0 ft
4:12 PMLow-1.4 ft
11:27 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
1:49 AMmax ebb SW (235°)0.7 kt
3:39 AMslack–
6:52 AMmax flood ENE (074°)2.8 kt
10:10 AMslack–
2:40 PMmax ebb SW (235°)1.8 kt
5:27 PMslack–
8:40 PMmax flood ENE (074°)3.0 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.