RaceAtlas

Alcatraz Island Tides: Monday, June 29, 2026

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

-0.6 ft6:25 AM4.5 ft1:51 PM3.4 ft5:58 PM6.1 ft11:47 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 11:47 PM, low -0.6 ft at 6:25 AM. Gate: flood 2.8 kt at 11:08 AM, ebb 1.4 kt at 3:32 AM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
6:25 AMLow-0.6 ft
1:51 PMHigh4.5 ft
5:58 PMLow3.4 ft
11:47 PMHigh6.1 ft
Current · Golden Gate
TimeStateSpeed
12:24 AMslack–
3:32 AMmax ebb SW (235°)1.4 kt
7:34 AMslack–
11:08 AMmax flood ENE (074°)2.8 kt
3:06 PMslack–
4:54 PMmax ebb SW (235°)0.6 kt
6:42 PMslack–
9:46 PMmax flood ENE (074°)2.3 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.