RaceAtlas

Alcatraz Island Tides: Thursday, October 29, 2026

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

4.7 ft3:35 AM3.2 ft7:50 AM6.5 ft1:57 PM-1.0 ft9:05 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 1:57 PM, low -1.0 ft at 9:05 PM. Gate: flood 3.0 kt at 12:05 PM, ebb 1.8 kt at 5:50 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:35 AMHigh4.7 ft
7:50 AMLow3.2 ft
1:57 PMHigh6.5 ft
9:05 PMLow-1.0 ft
Current · Golden Gate
TimeStateSpeed
12:34 AMmax flood ENE (074°)3.0 kt
4:38 AMslack–
6:50 AMmax ebb SW (235°)0.9 kt
8:56 AMslack–
12:05 PMmax flood ENE (074°)3.0 kt
3:03 PMslack–
5:50 PMmax ebb SW (235°)1.8 kt
10:17 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.