RaceAtlas

Alcatraz Island Tides: Thursday, February 20, 2025

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

5.3 ft4:13 AM1.0 ft11:49 AM3.5 ft7:53 PM3.4 ft10:35 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 4:13 AM, low 1.0 ft at 11:49 AM. Gate: flood 2.0 kt at 1:54 AM, ebb 0.9 kt at 8:03 AM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
4:13 AMHigh5.3 ft
11:49 AMLow1.0 ft
7:53 PMHigh3.5 ft
10:35 PMLow3.4 ft
Current · Golden Gate
TimeStateSpeed
1:54 AMmax flood ENE (074°)2.0 kt
5:32 AMslack–
8:03 AMmax ebb SW (235°)0.9 kt
12:16 PMslack–
5:13 PMmax flood ENE (074°)1.6 kt
9:00 PMslack–
10:01 PMmax ebb SW (235°)0.2 kt
11:06 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.