RaceAtlas

Alcatraz Island Tides: Friday, May 12, 2023

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

5.1 ft5:16 AM-0.5 ft12:23 PM4.8 ft7:54 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 5:16 AM, low -0.5 ft at 12:23 PM. Gate: flood 2.6 kt at 4:54 PM, ebb 1.4 kt at 9:36 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
5:16 AMHigh5.1 ft
12:23 PMLow-0.5 ft
7:54 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
12:23 AMslack–
3:13 AMmax flood ENE (074°)2.1 kt
6:30 AMslack–
9:36 AMmax ebb SW (235°)1.4 kt
1:19 PMslack–
4:54 PMmax flood ENE (074°)2.6 kt
9:20 PMslack–
11:50 PMmax ebb SW (235°)0.9 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.