RaceAtlas

Alcatraz Island Tides: Tuesday, June 9, 2026

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

1.8 ft1:34 AM3.7 ft7:07 AM1.2 ft12:51 PM5.6 ft7:48 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 7:48 PM, low 1.2 ft at 12:51 PM. Gate: flood 2.8 kt at 5:03 PM, ebb 0.8 kt at 11:12 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
1:34 AMLow1.8 ft
7:07 AMHigh3.7 ft
12:51 PMLow1.2 ft
7:48 PMHigh5.6 ft
Current · Golden Gate
TimeStateSpeed
2:24 AMslack–
5:17 AMmax flood ENE (074°)1.6 kt
9:00 AMslack–
11:12 AMmax ebb SW (235°)0.8 kt
1:23 PMslack–
5:03 PMmax flood ENE (074°)2.8 kt
9:04 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.