RaceAtlas

Alcatraz Island Tides: Monday, September 7, 2026

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

-0.4 ft3:24 AM4.9 ft10:36 AM2.9 ft3:16 PM6.4 ft9:14 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 9:14 PM, low -0.4 ft at 3:24 AM. Gate: flood 2.7 kt at 7:49 AM, ebb 1.5 kt at 2:09 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
3:24 AMLow-0.4 ft
10:36 AMHigh4.9 ft
3:16 PMLow2.9 ft
9:14 PMHigh6.4 ft
Current · Golden Gate
TimeStateSpeed
2:09 AMmax ebb SW (235°)1.5 kt
4:28 AMslack–
7:49 AMmax flood ENE (074°)2.7 kt
11:41 AMslack–
2:07 PMmax ebb SW (235°)0.8 kt
3:57 PMslack–
7:02 PMmax flood ENE (074°)2.5 kt
10:36 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.