RaceAtlas

Alcatraz Island Tides: Tuesday, August 19, 2031

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

5.7 ft12:38 AM0.4 ft6:57 AM5.3 ft1:43 PM1.8 ft7:12 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 12:38 AM, low 0.4 ft at 6:57 AM. Gate: flood 3.0 kt at 10:57 AM, ebb 1.5 kt at 4:51 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
12:38 AMHigh5.7 ft
6:57 AMLow0.4 ft
1:43 PMHigh5.3 ft
7:12 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
2:07 AMslack–
4:51 AMmax ebb SW (235°)1.5 kt
7:55 AMslack–
10:57 AMmax flood ENE (074°)3.0 kt
2:50 PMslack–
5:23 PMmax ebb SW (235°)1.2 kt
8:22 PMslack–
11:14 PMmax flood ENE (074°)2.5 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.