RaceAtlas

Alcatraz Island Tides: Sunday, February 21, 2027

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

5.6 ft12:06 AM1.3 ft5:28 AM6.3 ft11:36 AM-0.6 ft5:56 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 11:36 AM, low -0.6 ft at 5:56 PM. Gate: flood 3.7 kt at 10:07 PM, ebb 1.9 kt at 4:14 PM.
Modelled current at the Golden Gate on a 3.7 kt floodThe Gate at max flood, 3.7 kt
Tide height
TimeHeight
12:06 AMHigh5.6 ft
5:28 AMLow1.3 ft
11:36 AMHigh6.3 ft
5:56 PMLow-0.6 ft
Current · Golden Gate
TimeStateSpeed
1:15 AMslack–
4:21 AMmax ebb SW (235°)1.6 kt
6:43 AMslack–
9:36 AMmax flood ENE (074°)3.1 kt
12:55 PMslack–
4:14 PMmax ebb SW (235°)1.9 kt
7:04 PMslack–
10:07 PMmax flood ENE (074°)3.7 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.