RaceAtlas

Alcatraz Island Tides: Thursday, February 11, 2027

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

5.5 ft2:22 AM1.3 ft8:31 AM4.2 ft2:41 PM1.6 ft8:11 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 2:22 AM, low 1.3 ft at 8:31 AM. Gate: flood 2.2 kt at 12:43 PM, ebb 1.4 kt at 6:18 AM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
2:22 AMHigh5.5 ft
8:31 AMLow1.3 ft
2:41 PMHigh4.2 ft
8:11 PMLow1.6 ft
Current · Golden Gate
TimeStateSpeed
3:25 AMslack–
6:18 AMmax ebb SW (235°)1.4 kt
9:43 AMslack–
12:43 PMmax flood ENE (074°)2.2 kt
4:34 PMslack–
6:58 PMmax ebb SW (235°)1.0 kt
9:12 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.