RaceAtlas

Alcatraz Island Tides: Tuesday, July 27, 2027

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

1.1 ft12:58 AM3.6 ft7:47 AM2.8 ft11:50 AM6.0 ft6:38 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 6:38 PM, low 1.1 ft at 12:58 AM. Gate: flood 2.5 kt at 4:16 PM, ebb 1.1 kt at 10:42 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
12:58 AMLow1.1 ft
7:47 AMHigh3.6 ft
11:50 AMLow2.8 ft
6:38 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
1:41 AMslack–
5:07 AMmax flood ENE (074°)1.7 kt
9:21 AMslack–
10:58 AMmax ebb SW (235°)0.5 kt
12:35 PMslack–
4:16 PMmax flood ENE (074°)2.5 kt
7:47 PMslack–
10:42 PMmax ebb SW (235°)1.1 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.