RaceAtlas

Alcatraz Island Tides: Sunday, September 6, 2026

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

-0.1 ft2:25 AM4.6 ft9:52 AM3.3 ft2:10 PM6.2 ft8:07 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 8:07 PM, low -0.1 ft at 2:25 AM. Gate: flood 2.4 kt at 6:52 AM, ebb 1.2 kt at 12:51 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
2:25 AMLow-0.1 ft
9:52 AMHigh4.6 ft
2:10 PMLow3.3 ft
8:07 PMHigh6.2 ft
Current · Golden Gate
TimeStateSpeed
12:51 AMmax ebb SW (235°)1.2 kt
3:25 AMslack–
6:52 AMmax flood ENE (074°)2.4 kt
10:53 AMslack–
12:46 PMmax ebb SW (235°)0.6 kt
2:36 PMslack–
5:49 PMmax flood ENE (074°)2.3 kt
9:28 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.