RaceAtlas

Alcatraz Island Tides: Tuesday, December 22, 2026

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

3.1 ft2:58 AM7.0 ft9:10 AM-1.4 ft4:23 PM4.8 ft11:45 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 9:10 AM, low -1.4 ft at 4:23 PM. Gate: flood 3.0 kt at 8:50 PM, ebb 1.8 kt at 1:23 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:58 AMLow3.1 ft
9:10 AMHigh7.0 ft
4:23 PMLow-1.4 ft
11:45 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
1:48 AMmax ebb SW (235°)0.8 kt
3:50 AMslack–
7:07 AMmax flood ENE (074°)2.9 kt
10:19 AMslack–
1:23 PMmax ebb SW (235°)1.8 kt
5:37 PMslack–
8:50 PMmax flood ENE (074°)3.0 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.