RaceAtlas

Alcatraz Island Tides: Tuesday, September 15, 2026

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

4.5 ft3:33 AM2.5 ft8:35 AM5.8 ft2:54 PM0.6 ft9:41 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 2:54 PM, low 0.6 ft at 9:41 PM. Gate: flood 2.7 kt at 12:51 PM, ebb 1.2 kt at 6:58 PM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
3:33 AMHigh4.5 ft
8:35 AMLow2.5 ft
2:54 PMHigh5.8 ft
9:41 PMLow0.6 ft
Current · Golden Gate
TimeStateSpeed
1:29 AMmax flood ENE (074°)2.6 kt
5:05 AMslack–
7:28 AMmax ebb SW (235°)1.2 kt
9:49 AMslack–
12:51 PMmax flood ENE (074°)2.7 kt
4:18 PMslack–
6:58 PMmax ebb SW (235°)1.2 kt
10:50 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.