RaceAtlas

Alcatraz Island Tides: Thursday, May 27, 2027

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

4.3 ft4:23 AM0.3 ft11:21 AM4.5 ft6:50 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.5 ft at 6:50 PM, low 0.3 ft at 11:21 AM. Gate: flood 2.1 kt at 3:43 PM, ebb 0.9 kt at 8:55 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
4:23 AMHigh4.3 ft
11:21 AMLow0.3 ft
6:50 PMHigh4.5 ft
Current · Golden Gate
TimeStateSpeed
12:01 AMslack–
2:36 AMmax flood ENE (074°)1.4 kt
6:18 AMslack–
8:55 AMmax ebb SW (235°)0.9 kt
11:57 AMslack–
3:43 PMmax flood ENE (074°)2.1 kt
8:40 PMslack–
10:59 PMmax ebb SW (235°)0.7 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.