RaceAtlas

Alcatraz Island Tides: Wednesday, April 12, 2023

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

5.5 ft4:11 AM-0.4 ft11:38 AM4.1 ft7:39 PM3.4 ft11:37 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 4:11 AM, low -0.4 ft at 11:38 AM. Gate: flood 2.5 kt at 2:24 AM, ebb 1.4 kt at 8:12 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:11 AMHigh5.5 ft
11:38 AMLow-0.4 ft
7:39 PMHigh4.1 ft
11:37 PMLow3.4 ft
Current · Golden Gate
TimeStateSpeed
2:24 AMmax flood ENE (074°)2.5 kt
5:28 AMslack–
8:12 AMmax ebb SW (235°)1.4 kt
12:38 PMslack–
4:11 PMmax flood ENE (074°)2.1 kt
9:00 PMslack–
10:46 PMmax ebb SW (235°)0.4 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.