RaceAtlas

Alcatraz Island Tides: Tuesday, September 1, 2026

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

4.7 ft3:11 AM1.8 ft8:32 AM6.0 ft3:06 PM0.7 ft9:37 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 3:06 PM, low 0.7 ft at 9:37 PM. Gate: flood 3.3 kt at 12:51 PM, ebb 1.6 kt at 6:51 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
3:11 AMHigh4.7 ft
8:32 AMLow1.8 ft
3:06 PMHigh6.0 ft
9:37 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
12:58 AMmax flood ENE (074°)2.6 kt
4:38 AMslack–
7:12 AMmax ebb SW (235°)1.3 kt
9:35 AMslack–
12:51 PMmax flood ENE (074°)3.3 kt
4:03 PMslack–
6:51 PMmax ebb SW (235°)1.6 kt
10:39 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.