RaceAtlas

Alcatraz Island Tides: Thursday, May 1, 2025

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

6.3 ft2:14 AM-1.3 ft9:24 AM4.6 ft4:56 PM3.1 ft9:17 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 2:14 AM, low -1.3 ft at 9:24 AM. Gate: flood 2.9 kt at 12:14 AM, ebb 1.6 kt at 6:15 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:14 AMHigh6.3 ft
9:24 AMLow-1.3 ft
4:56 PMHigh4.6 ft
9:17 PMLow3.1 ft
Current · Golden Gate
TimeStateSpeed
12:14 AMmax flood ENE (074°)2.9 kt
3:23 AMslack–
6:15 AMmax ebb SW (235°)1.6 kt
10:35 AMslack–
1:49 PMmax flood ENE (074°)2.8 kt
5:49 PMslack–
7:57 PMmax ebb SW (235°)0.8 kt
10:03 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.