RaceAtlas

Alcatraz Island Tides: Monday, December 1, 2025

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

1.6 ft1:23 AM6.2 ft8:01 AM0.0 ft2:46 PM4.4 ft9:23 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 8:01 AM, low 0.0 ft at 2:46 PM. Gate: flood 3.0 kt at 5:31 AM, ebb 1.7 kt at 12:19 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
1:23 AMLow1.6 ft
8:01 AMHigh6.2 ft
2:46 PMLow0.0 ft
9:23 PMHigh4.4 ft
Current · Golden Gate
TimeStateSpeed
2:07 AMslack–
5:31 AMmax flood ENE (074°)3.0 kt
9:12 AMslack–
12:19 PMmax ebb SW (235°)1.7 kt
3:52 PMslack–
7:01 PMmax flood ENE (074°)2.6 kt
10:34 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.