RaceAtlas

Alcatraz Island Tides: Monday, April 12, 2027

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

5.7 ft3:34 AM-0.6 ft10:51 AM4.1 ft6:39 PM3.2 ft10:44 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 3:34 AM, low -0.6 ft at 10:51 AM. Gate: flood 2.7 kt at 1:41 AM, ebb 1.5 kt at 7:36 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
3:34 AMHigh5.7 ft
10:51 AMLow-0.6 ft
6:39 PMHigh4.1 ft
10:44 PMLow3.2 ft
Current · Golden Gate
TimeStateSpeed
1:41 AMmax flood ENE (074°)2.7 kt
4:43 AMslack–
7:36 AMmax ebb SW (235°)1.5 kt
11:59 AMslack–
3:13 PMmax flood ENE (074°)2.4 kt
7:53 PMslack–
9:40 PMmax ebb SW (235°)0.5 kt
11:30 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.