RaceAtlas

Alcatraz Island Tides: Friday, February 20, 2026

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

5.6 ft1:28 AM1.0 ft7:18 AM5.0 ft1:32 PM0.8 ft7:20 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 1:28 AM, low 0.8 ft at 7:20 PM. Gate: flood 3.5 kt at 11:33 PM, ebb 1.5 kt at 5:22 AM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
1:28 AMHigh5.6 ft
7:18 AMLow1.0 ft
1:32 PMHigh5.0 ft
7:20 PMLow0.8 ft
Current · Golden Gate
TimeStateSpeed
2:27 AMslack–
5:22 AMmax ebb SW (235°)1.5 kt
8:34 AMslack–
11:31 AMmax flood ENE (074°)2.7 kt
2:56 PMslack–
5:42 PMmax ebb SW (235°)1.5 kt
8:20 PMslack–
11:33 PMmax flood ENE (074°)3.5 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.