RaceAtlas

Alcatraz Island Tides: Friday, January 15, 2027

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

5.6 ft4:32 AM1.4 ft11:20 AM3.5 ft5:31 PM2.3 ft10:20 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 4:32 AM, low 1.4 ft at 11:20 AM. Gate: flood 2.9 kt at 1:55 AM, ebb 1.1 kt at 8:31 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
4:32 AMHigh5.6 ft
11:20 AMLow1.4 ft
5:31 PMHigh3.5 ft
10:20 PMLow2.3 ft
Current · Golden Gate
TimeStateSpeed
1:55 AMmax flood ENE (074°)2.9 kt
5:42 AMslack–
8:31 AMmax ebb SW (235°)1.1 kt
12:12 PMslack–
3:14 PMmax flood ENE (074°)1.7 kt
7:24 PMslack–
9:20 PMmax ebb SW (235°)0.6 kt
11:12 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.