RaceAtlas

Alcatraz Island Tides: Tuesday, October 27, 2026

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

5.0 ft1:35 AM2.5 ft6:19 AM6.6 ft12:29 PM-1.0 ft7:20 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 12:29 PM, low -1.0 ft at 7:20 PM. Gate: flood 3.3 kt at 10:28 AM, ebb 2.0 kt at 4:18 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
1:35 AMHigh5.0 ft
6:19 AMLow2.5 ft
12:29 PMHigh6.6 ft
7:20 PMLow-1.0 ft
Current · Golden Gate
TimeStateSpeed
2:43 AMslack–
4:56 AMmax ebb SW (235°)1.1 kt
7:21 AMslack–
10:28 AMmax flood ENE (074°)3.3 kt
1:31 PMslack–
4:18 PMmax ebb SW (235°)2.0 kt
8:33 PMslack–
11:41 PMmax flood ENE (074°)3.1 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.