RaceAtlas

Alcatraz Island Tides: Tuesday, August 12, 2031

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

0.6 ft2:51 AM4.4 ft9:55 AM3.0 ft2:25 PM5.8 ft8:23 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 8:23 PM, low 0.6 ft at 2:51 AM. Gate: flood 2.4 kt at 7:05 AM, ebb 1.1 kt at 1:25 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
2:51 AMLow0.6 ft
9:55 AMHigh4.4 ft
2:25 PMLow3.0 ft
8:23 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
1:25 AMmax ebb SW (235°)1.1 kt
3:31 AMslack–
7:05 AMmax flood ENE (074°)2.4 kt
10:31 AMslack–
12:28 PMmax ebb SW (235°)0.7 kt
2:40 PMslack–
6:00 PMmax flood ENE (074°)1.9 kt
9:56 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.