RaceAtlas

Alcatraz Island Tides: Thursday, April 20, 2028

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

1.4 ft3:59 AM4.3 ft9:51 AM0.9 ft3:47 PM5.1 ft10:24 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 10:24 PM, low 0.9 ft at 3:47 PM. Gate: flood 2.4 kt at 8:07 PM, ebb 1.2 kt at 2:28 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
3:59 AMLow1.4 ft
9:51 AMHigh4.3 ft
3:47 PMLow0.9 ft
10:24 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
2:28 AMmax ebb SW (235°)1.2 kt
4:43 AMslack–
8:05 AMmax flood ENE (074°)1.9 kt
11:17 AMslack–
1:32 PMmax ebb SW (235°)0.8 kt
4:17 PMslack–
8:07 PMmax flood ENE (074°)2.4 kt
11:42 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.