RaceAtlas

Alcatraz Island Tides: Friday, January 29, 2027

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

5.9 ft4:46 AM0.8 ft11:57 AM3.7 ft6:44 PM2.8 ft11:01 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 4:46 AM, low 0.8 ft at 11:57 AM. Gate: flood 2.7 kt at 2:06 AM, ebb 1.1 kt at 8:58 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:46 AMHigh5.9 ft
11:57 AMLow0.8 ft
6:44 PMHigh3.7 ft
11:01 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
2:06 AMmax flood ENE (074°)2.7 kt
6:02 AMslack–
8:58 AMmax ebb SW (235°)1.1 kt
12:31 PMslack–
4:07 PMmax flood ENE (074°)2.0 kt
7:27 PMslack–
9:31 PMmax ebb SW (235°)0.8 kt
11:43 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.