RaceAtlas

Alcatraz Island Tides: Friday, August 13, 2027

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

0.0 ft4:22 AM4.7 ft11:33 AM3.2 ft4:02 PM6.0 ft9:50 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 9:50 PM, low 0.0 ft at 4:22 AM. Gate: flood 2.7 kt at 8:46 AM, ebb 1.3 kt at 3:06 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:22 AMLow0.0 ft
11:33 AMHigh4.7 ft
4:02 PMLow3.2 ft
9:50 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
3:06 AMmax ebb SW (235°)1.3 kt
5:13 AMslack–
8:46 AMmax flood ENE (074°)2.7 kt
12:22 PMslack–
2:44 PMmax ebb SW (235°)0.8 kt
4:31 PMslack–
7:45 PMmax flood ENE (074°)2.0 kt
11:12 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.