RaceAtlas

Alcatraz Island Tides: Thursday, May 4, 2028

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

1.2 ft2:45 AM4.5 ft8:40 AM0.5 ft2:35 PM5.7 ft9:25 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 9:25 PM, low 0.5 ft at 2:35 PM. Gate: flood 3.1 kt at 6:49 PM, ebb 1.4 kt at 1:06 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
2:45 AMLow1.2 ft
8:40 AMHigh4.5 ft
2:35 PMLow0.5 ft
9:25 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
1:06 AMmax ebb SW (235°)1.4 kt
3:38 AMslack–
6:35 AMmax flood ENE (074°)2.3 kt
10:07 AMslack–
12:50 PMmax ebb SW (235°)1.3 kt
3:33 PMslack–
6:49 PMmax flood ENE (074°)3.1 kt
10:33 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.