RaceAtlas

Alcatraz Island Tides: Thursday, May 15, 2025

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

5.7 ft1:04 AM-0.7 ft8:12 AM4.2 ft3:51 PM3.3 ft7:46 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 1:04 AM, low -0.7 ft at 8:12 AM. Gate: flood 2.4 kt at 11:59 PM, ebb 1.6 kt at 5:02 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:04 AMHigh5.7 ft
8:12 AMLow-0.7 ft
3:51 PMHigh4.2 ft
7:46 PMLow3.3 ft
Current · Golden Gate
TimeStateSpeed
2:16 AMslack–
5:02 AMmax ebb SW (235°)1.6 kt
9:20 AMslack–
12:53 PMmax flood ENE (074°)2.3 kt
5:35 PMslack–
7:11 PMmax ebb SW (235°)0.5 kt
8:44 PMslack–
11:59 PMmax flood ENE (074°)2.4 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.