RaceAtlas

Alcatraz Island Tides: Sunday, June 28, 2026

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

-0.5 ft5:51 AM4.5 ft1:16 PM3.4 ft5:18 PM6.1 ft11:09 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 11:09 PM, low -0.5 ft at 5:51 AM. Gate: flood 2.8 kt at 10:28 AM, ebb 1.3 kt at 4:21 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
5:51 AMLow-0.5 ft
1:16 PMHigh4.5 ft
5:18 PMLow3.4 ft
11:09 PMHigh6.1 ft
Current · Golden Gate
TimeStateSpeed
4:21 AMmax ebb SW (235°)1.3 kt
6:54 AMslack–
10:28 AMmax flood ENE (074°)2.8 kt
2:16 PMslack–
4:11 PMmax ebb SW (235°)0.7 kt
6:01 PMslack–
9:08 PMmax flood ENE (074°)2.2 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.