RaceAtlas

Alcatraz Island Tides: Thursday, September 21, 2028

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

5.4 ft2:20 AM1.7 ft7:36 AM6.6 ft1:59 PM-0.4 ft8:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 1:59 PM, low -0.4 ft at 8:33 PM. Gate: flood 3.5 kt at 11:44 AM, ebb 1.8 kt at 5:49 PM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
2:20 AMHigh5.4 ft
7:36 AMLow1.7 ft
1:59 PMHigh6.6 ft
8:33 PMLow-0.4 ft
Current · Golden Gate
TimeStateSpeed
3:33 AMslack–
6:13 AMmax ebb SW (235°)1.5 kt
8:45 AMslack–
11:44 AMmax flood ENE (074°)3.5 kt
3:00 PMslack–
5:49 PMmax ebb SW (235°)1.8 kt
9:46 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.