RaceAtlas

Alcatraz Island Tides: Thursday, May 1, 2031

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

2.0 ft2:20 AM4.0 ft7:44 AM0.8 ft2:02 PM4.9 ft8:59 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 8:59 PM, low 0.8 ft at 2:02 PM. Gate: flood 2.3 kt at 6:05 PM, ebb 0.8 kt at 12:07 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
2:20 AMLow2.0 ft
7:44 AMHigh4.0 ft
2:02 PMLow0.8 ft
8:59 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
12:07 AMmax ebb SW (235°)0.8 kt
2:41 AMslack–
5:38 AMmax flood ENE (074°)1.4 kt
9:38 AMslack–
11:49 AMmax ebb SW (235°)0.8 kt
2:26 PMslack–
6:05 PMmax flood ENE (074°)2.3 kt
10:18 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.