RaceAtlas

Alcatraz Island Tides: Wednesday, December 3, 2025

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

2.5 ft3:01 AM7.0 ft9:18 AM-1.4 ft4:20 PM4.9 ft11:30 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.0 ft at 9:18 AM, low -1.4 ft at 4:20 PM. Gate: flood 3.1 kt at 7:13 AM, ebb 1.9 kt at 1:37 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:01 AMLow2.5 ft
9:18 AMHigh7.0 ft
4:20 PMLow-1.4 ft
11:30 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
1:44 AMmax ebb SW (235°)1.0 kt
3:59 AMslack–
7:13 AMmax flood ENE (074°)3.1 kt
10:27 AMslack–
1:37 PMmax ebb SW (235°)1.9 kt
5:35 PMslack–
8:46 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.