RaceAtlas

Alcatraz Island Tides: Wednesday, August 21, 2030

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

1.2 ft12:46 AM3.9 ft7:58 AM3.2 ft12:15 PM5.5 ft6:19 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 6:19 PM, low 1.2 ft at 12:46 AM. Gate: flood 1.9 kt at 5:34 AM, ebb 0.6 kt at 11:08 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
12:46 AMLow1.2 ft
7:58 AMHigh3.9 ft
12:15 PMLow3.2 ft
6:19 PMHigh5.5 ft
Current · Golden Gate
TimeStateSpeed
1:26 AMslack–
5:34 AMmax flood ENE (074°)1.9 kt
8:59 AMslack–
10:35 AMmax ebb SW (235°)0.5 kt
12:29 PMslack–
3:37 PMmax flood ENE (074°)1.7 kt
7:54 PMslack–
11:08 PMmax ebb SW (235°)0.6 kt

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.