RaceAtlas

Alcatraz Island Tides: Sunday, May 16, 2027

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

0.4 ft3:39 AM4.2 ft9:51 AM1.2 ft3:10 PM6.0 ft9:49 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 9:49 PM, low 0.4 ft at 3:39 AM. Gate: flood 3.1 kt at 7:20 PM, ebb 1.7 kt at 1:59 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:39 AMLow0.4 ft
9:51 AMHigh4.2 ft
3:10 PMLow1.2 ft
9:49 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
1:59 AMmax ebb SW (235°)1.7 kt
4:30 AMslack–
7:37 AMmax flood ENE (074°)2.5 kt
11:02 AMslack–
1:39 PMmax ebb SW (235°)1.1 kt
3:59 PMslack–
7:20 PMmax flood ENE (074°)3.1 kt
10:53 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.