RaceAtlas

Alcatraz Island Tides: Sunday, August 30, 2026

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

5.5 ft1:24 AM0.7 ft7:25 AM5.7 ft2:03 PM1.2 ft7:55 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 2:03 PM, low 0.7 ft at 7:25 AM. Gate: flood 3.4 kt at 11:27 AM, ebb 1.6 kt at 5:29 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
1:24 AMHigh5.5 ft
7:25 AMLow0.7 ft
2:03 PMHigh5.7 ft
7:55 PMLow1.2 ft
Current · Golden Gate
TimeStateSpeed
2:48 AMslack–
5:29 AMmax ebb SW (235°)1.6 kt
8:17 AMslack–
11:27 AMmax flood ENE (074°)3.4 kt
3:01 PMslack–
5:52 PMmax ebb SW (235°)1.6 kt
9:11 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.