RaceAtlas

Alcatraz Island Tides: Monday, October 12, 2026

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

4.9 ft1:46 AM2.3 ft6:48 AM6.0 ft1:00 PM-0.1 ft7:39 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 1:00 PM, low -0.1 ft at 7:39 PM. Gate: flood 3.0 kt at 11:00 AM, ebb 1.6 kt at 5:09 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
1:46 AMHigh4.9 ft
6:48 AMLow2.3 ft
1:00 PMHigh6.0 ft
7:39 PMLow-0.1 ft
Current · Golden Gate
TimeStateSpeed
3:06 AMslack–
5:35 AMmax ebb SW (235°)1.3 kt
8:02 AMslack–
11:00 AMmax flood ENE (074°)3.0 kt
2:22 PMslack–
5:09 PMmax ebb SW (235°)1.6 kt
9:02 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.