RaceAtlas

Alcatraz Island Tides: Tuesday, August 17, 2027

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

0.0 ft6:33 AM5.0 ft1:23 PM2.3 ft6:33 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 1:23 PM, low 0.0 ft at 6:33 AM. Gate: flood 2.8 kt at 10:52 AM, ebb 1.6 kt at 4:12 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
6:33 AMLow0.0 ft
1:23 PMHigh5.0 ft
6:33 PMLow2.3 ft
Current · Golden Gate
TimeStateSpeed
1:16 AMslack–
4:12 AMmax ebb SW (235°)1.6 kt
7:30 AMslack–
10:52 AMmax flood ENE (074°)2.8 kt
2:51 PMslack–
5:24 PMmax ebb SW (235°)1.1 kt
7:43 PMslack–
10:36 PMmax flood ENE (074°)2.3 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.