RaceAtlas

Alcatraz Island Tides: Friday, February 21, 2025

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

5.3 ft5:10 AM0.7 ft12:58 PM3.9 ft9:07 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 5:10 AM, low 0.7 ft at 12:58 PM. Gate: flood 1.9 kt at 2:47 AM, ebb 0.8 kt at 9:07 AM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
5:10 AMHigh5.3 ft
12:58 PMLow0.7 ft
9:07 PMHigh3.9 ft
Current · Golden Gate
TimeStateSpeed
2:47 AMmax flood ENE (074°)1.9 kt
6:26 AMslack–
9:07 AMmax ebb SW (235°)0.8 kt
1:32 PMslack–
6:12 PMmax flood ENE (074°)1.7 kt
10:02 PMslack–
11:00 PMmax ebb SW (235°)0.2 kt

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.