RaceAtlas

Alcatraz Island Tides: Sunday, September 12, 2027

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

0.3 ft4:24 AM4.9 ft11:19 AM2.4 ft4:28 PM5.6 ft10:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 10:16 PM, low 0.3 ft at 4:24 AM. Gate: flood 2.7 kt at 8:59 AM, ebb 1.2 kt at 2:58 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:24 AMLow0.3 ft
11:19 AMHigh4.9 ft
4:28 PMLow2.4 ft
10:16 PMHigh5.6 ft
Current · Golden Gate
TimeStateSpeed
2:58 AMmax ebb SW (235°)1.2 kt
5:11 AMslack–
8:59 AMmax flood ENE (074°)2.7 kt
12:37 PMslack–
3:14 PMmax ebb SW (235°)0.9 kt
5:09 PMslack–
8:24 PMmax flood ENE (074°)2.0 kt
11:37 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.