RaceAtlas

Alcatraz Island Tides: Thursday, December 25, 2025

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

4.9 ft3:56 AM3.0 ft9:00 AM4.9 ft2:29 PM0.1 ft9:13 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 3:56 AM, low 0.1 ft at 9:13 PM. Gate: flood 3.0 kt at 12:48 AM, ebb 1.4 kt at 7:08 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:56 AMHigh4.9 ft
9:00 AMLow3.0 ft
2:29 PMHigh4.9 ft
9:13 PMLow0.1 ft
Current · Golden Gate
TimeStateSpeed
12:48 AMmax flood ENE (074°)3.0 kt
5:33 AMslack–
7:52 AMmax ebb SW (235°)0.8 kt
10:13 AMslack–
12:55 PMmax flood ENE (074°)2.0 kt
4:04 PMslack–
7:08 PMmax ebb SW (235°)1.4 kt
10:04 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.