RaceAtlas

Alcatraz Island Tides: Sunday, November 21, 2027

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

5.3 ft6:16 AM2.2 ft12:05 PM4.6 ft5:35 PM0.5 ft11:53 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 6:16 AM, low 0.5 ft at 11:53 PM. Gate: flood 2.9 kt at 3:11 AM, ebb 1.2 kt at 9:56 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
6:16 AMHigh5.3 ft
12:05 PMLow2.2 ft
5:35 PMHigh4.6 ft
11:53 PMLow0.5 ft
Current · Golden Gate
TimeStateSpeed
3:11 AMmax flood ENE (074°)2.9 kt
7:30 AMslack–
10:24 AMmax ebb SW (235°)1.1 kt
12:36 PMslack–
3:25 PMmax flood ENE (074°)1.9 kt
6:55 PMslack–
9:56 PMmax ebb SW (235°)1.2 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.