RaceAtlas

Alcatraz Island Tides: Monday, June 15, 2026

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

-1.9 ft6:36 AM4.8 ft1:59 PM3.0 ft6:11 PM-2 ft0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.8 ft at 1:59 PM, low -1.9 ft at 6:36 AM. Gate: flood 3.2 kt at 11:00 AM, ebb 2.0 kt at 3:45 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:36 AMLow-1.9 ft
1:59 PMHigh4.8 ft
6:11 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
12:33 AMslack–
3:45 AMmax ebb SW (235°)2.0 kt
7:55 AMslack–
11:00 AMmax flood ENE (074°)3.2 kt
3:01 PMslack–
5:08 PMmax ebb SW (235°)0.8 kt
7:13 PMslack–
10:18 PMmax flood ENE (074°)3.1 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.