RaceAtlas

Alcatraz Island Tides: Tuesday, June 23, 2026

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

1.0 ft2:09 AM3.6 ft8:11 AM1.9 ft1:15 PM5.9 ft8:02 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 8:02 PM, low 1.0 ft at 2:09 AM. Gate: flood 2.6 kt at 5:26 PM, ebb 1.4 kt at 12:12 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
2:09 AMLow1.0 ft
8:11 AMHigh3.6 ft
1:15 PMLow1.9 ft
8:02 PMHigh5.9 ft
Current · Golden Gate
TimeStateSpeed
12:12 AMmax ebb SW (235°)1.4 kt
2:45 AMslack–
6:04 AMmax flood ENE (074°)2.0 kt
9:23 AMslack–
11:32 AMmax ebb SW (235°)0.8 kt
1:45 PMslack–
5:26 PMmax flood ENE (074°)2.6 kt
9:16 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.