RaceAtlas

Alcatraz Island Tides: Monday, August 23, 2027

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

4.0 ft4:33 AM2.5 ft9:29 AM5.8 ft4:11 PM1.0 ft11:05 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 4:11 PM, low 1.0 ft at 11:05 PM. Gate: flood 2.8 kt at 1:58 PM, ebb 1.3 kt at 7:55 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
4:33 AMHigh4.0 ft
9:29 AMLow2.5 ft
4:11 PMHigh5.8 ft
11:05 PMLow1.0 ft
Current · Golden Gate
TimeStateSpeed
2:11 AMmax flood ENE (074°)2.1 kt
6:27 AMslack–
8:30 AMmax ebb SW (235°)0.8 kt
10:30 AMslack–
1:58 PMmax flood ENE (074°)2.8 kt
5:13 PMslack–
7:55 PMmax ebb SW (235°)1.3 kt
11:55 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.