RaceAtlas

Alcatraz Island Tides: Friday, August 14, 2026

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

6.4 ft12:55 AM-0.4 ft7:24 AM5.6 ft2:13 PM1.6 ft7:42 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 12:55 AM, low -0.4 ft at 7:24 AM. Gate: flood 3.6 kt at 11:38 AM, ebb 1.9 kt at 5:45 AM.
Modelled current at the Golden Gate on a 3.6 kt floodThe Gate at max flood, 3.6 kt
Tide height
TimeHeight
12:55 AMHigh6.4 ft
7:24 AMLow-0.4 ft
2:13 PMHigh5.6 ft
7:42 PMLow1.6 ft
Current · Golden Gate
TimeStateSpeed
2:19 AMslack–
5:45 AMmax ebb SW (235°)1.9 kt
8:31 AMslack–
11:38 AMmax flood ENE (074°)3.6 kt
3:22 PMslack–
6:41 PMmax ebb SW (235°)1.6 kt
9:01 PMslack–
11:54 PMmax flood ENE (074°)2.8 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.