RaceAtlas

Alcatraz Island Tides: Monday, October 19, 2026

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

0.7 ft1:00 AM4.5 ft8:41 AM3.2 ft1:49 PM4.7 ft6:49 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 6:49 PM, low 0.7 ft at 1:00 AM. Gate: flood 2.0 kt at 6:19 AM, ebb 0.8 kt at 11:05 PM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
1:00 AMLow0.7 ft
8:41 AMHigh4.5 ft
1:49 PMLow3.2 ft
6:49 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
1:32 AMslack–
6:19 AMmax flood ENE (074°)2.0 kt
10:18 AMslack–
12:00 PMmax ebb SW (235°)0.4 kt
1:38 PMslack–
4:31 PMmax flood ENE (074°)1.3 kt
8:22 PMslack–
11:05 PMmax ebb SW (235°)0.8 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.