RaceAtlas

Alcatraz Island Tides: Monday, January 20, 2025

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

5.2 ft4:09 AM1.9 ft10:41 AM3.6 ft4:14 PM1.9 ft9:46 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 4:09 AM, low 1.9 ft at 10:41 AM. Gate: flood 2.5 kt at 1:28 AM, ebb 0.9 kt at 8:16 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:09 AMHigh5.2 ft
10:41 AMLow1.9 ft
4:14 PMHigh3.6 ft
9:46 PMLow1.9 ft
Current · Golden Gate
TimeStateSpeed
1:28 AMmax flood ENE (074°)2.5 kt
5:47 AMslack–
8:16 AMmax ebb SW (235°)0.9 kt
11:33 AMslack–
3:07 PMmax flood ENE (074°)1.5 kt
6:40 PMslack–
8:31 PMmax ebb SW (235°)0.7 kt
10:39 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.