RaceAtlas

Alcatraz Island Tides: Monday, September 20, 2027

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

4.4 ft3:36 AM2.7 ft8:21 AM5.9 ft2:43 PM0.4 ft9:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 2:43 PM, low 0.4 ft at 9:33 PM. Gate: flood 3.0 kt at 12:46 PM, ebb 1.6 kt at 6:31 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:36 AMHigh4.4 ft
8:21 AMLow2.7 ft
2:43 PMHigh5.9 ft
9:33 PMLow0.4 ft
Current · Golden Gate
TimeStateSpeed
1:03 AMmax flood ENE (074°)2.5 kt
5:09 AMslack–
7:23 AMmax ebb SW (235°)0.9 kt
9:26 AMslack–
12:46 PMmax flood ENE (074°)3.0 kt
3:47 PMslack–
6:31 PMmax ebb SW (235°)1.6 kt
10:32 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.