RaceAtlas

Alcatraz Island Tides: Wednesday, March 12, 2025

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

5.1 ft12:04 AM1.8 ft5:22 AM5.5 ft11:17 AM-0.1 ft5:46 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 11:17 AM, low -0.1 ft at 5:46 PM. Gate: flood 3.4 kt at 10:02 PM, ebb 1.7 kt at 4:18 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
12:04 AMHigh5.1 ft
5:22 AMLow1.8 ft
11:17 AMHigh5.5 ft
5:46 PMLow-0.1 ft
Current · Golden Gate
TimeStateSpeed
1:05 AMslack–
4:07 AMmax ebb SW (235°)1.4 kt
6:18 AMslack–
9:24 AMmax flood ENE (074°)2.5 kt
12:38 PMslack–
4:18 PMmax ebb SW (235°)1.7 kt
6:41 PMslack–
10:02 PMmax flood ENE (074°)3.4 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.