RaceAtlas

Alcatraz Island Tides: Monday, December 8, 2025

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

5.1 ft3:04 AM3.1 ft7:37 AM6.2 ft1:25 PM-1.0 ft8:30 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 1:25 PM, low -1.0 ft at 8:30 PM. Gate: flood 3.1 kt at 12:08 AM, ebb 1.6 kt at 6:24 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:04 AMHigh5.1 ft
7:37 AMLow3.1 ft
1:25 PMHigh6.2 ft
8:30 PMLow-1.0 ft
Current · Golden Gate
TimeStateSpeed
12:08 AMmax flood ENE (074°)3.1 kt
4:11 AMslack–
6:34 AMmax ebb SW (235°)0.9 kt
8:32 AMslack–
11:30 AMmax flood ENE (074°)2.7 kt
2:43 PMslack–
6:24 PMmax ebb SW (235°)1.6 kt
9:41 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.