RaceAtlas

Alcatraz Island Tides: Thursday, February 19, 2026

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

5.4 ft1:00 AM1.4 ft6:32 AM5.4 ft12:41 PM0.2 ft6:46 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 1:00 AM, low 0.2 ft at 6:46 PM. Gate: flood 3.5 kt at 10:52 PM, ebb 1.7 kt at 4:49 PM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
1:00 AMHigh5.4 ft
6:32 AMLow1.4 ft
12:41 PMHigh5.4 ft
6:46 PMLow0.2 ft
Current · Golden Gate
TimeStateSpeed
2:04 AMslack–
4:54 AMmax ebb SW (235°)1.4 kt
7:49 AMslack–
10:41 AMmax flood ENE (074°)2.7 kt
2:00 PMslack–
4:49 PMmax ebb SW (235°)1.7 kt
7:42 PMslack–
10:52 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.