RaceAtlas

Alcatraz Island Tides: Sunday, December 7, 2025

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

5.1 ft2:13 AM3.2 ft6:33 AM6.7 ft12:31 PM-1.4 ft7:39 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 12:31 PM, low -1.4 ft at 7:39 PM. Gate: flood 2.9 kt at 10:35 AM, ebb 1.8 kt at 5:21 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:13 AMHigh5.1 ft
6:33 AMLow3.2 ft
12:31 PMHigh6.7 ft
7:39 PMLow-1.4 ft
Current · Golden Gate
TimeStateSpeed
3:14 AMslack–
5:34 AMmax ebb SW (235°)0.9 kt
7:34 AMslack–
10:35 AMmax flood ENE (074°)2.9 kt
1:47 PMslack–
5:21 PMmax ebb SW (235°)1.8 kt
8:57 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.