RaceAtlas

Alcatraz Island Tides: Sunday, September 27, 2026

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

5.3 ft12:36 AM1.2 ft6:16 AM6.0 ft12:41 PM0.3 ft6:52 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 12:41 PM, low 0.3 ft at 6:52 PM. Gate: flood 3.4 kt at 10:15 AM, ebb 1.8 kt at 4:30 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
12:36 AMHigh5.3 ft
6:16 AMLow1.2 ft
12:41 PMHigh6.0 ft
6:52 PMLow0.3 ft
Current · Golden Gate
TimeStateSpeed
1:56 AMslack–
4:24 AMmax ebb SW (235°)1.4 kt
7:05 AMslack–
10:15 AMmax flood ENE (074°)3.4 kt
1:39 PMslack–
4:30 PMmax ebb SW (235°)1.8 kt
8:07 PMslack–
11:07 PMmax flood ENE (074°)2.9 kt

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.