RaceAtlas

Alcatraz Island Tides: Wednesday, September 2, 2026

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

4.3 ft4:20 AM2.4 ft9:12 AM6.1 ft3:46 PM0.5 ft10:41 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 3:46 PM, low 0.5 ft at 10:41 PM. Gate: flood 3.1 kt at 1:38 PM, ebb 1.5 kt at 7:30 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
4:20 AMHigh4.3 ft
9:12 AMLow2.4 ft
3:46 PMHigh6.1 ft
10:41 PMLow0.5 ft
Current · Golden Gate
TimeStateSpeed
1:49 AMmax flood ENE (074°)2.5 kt
5:46 AMslack–
8:04 AMmax ebb SW (235°)1.0 kt
10:19 AMslack–
1:38 PMmax flood ENE (074°)3.1 kt
4:47 PMslack–
7:30 PMmax ebb SW (235°)1.5 kt
11:36 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.