RaceAtlas

Alcatraz Island Tides: Friday, April 28, 2023

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

3.0 ft1:29 AM4.3 ft6:16 AM0.4 ft1:35 PM4.5 ft9:07 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.5 ft at 9:07 PM, low 0.4 ft at 1:35 PM. Gate: flood 2.3 kt at 6:36 PM, ebb 0.7 kt at 11:23 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
1:29 AMLow3.0 ft
6:16 AMHigh4.3 ft
1:35 PMLow0.4 ft
9:07 PMHigh4.5 ft
Current · Golden Gate
TimeStateSpeed
1:21 AMslack–
4:12 AMmax flood ENE (074°)1.2 kt
8:13 AMslack–
11:23 AMmax ebb SW (235°)0.7 kt
2:15 PMslack–
6:36 PMmax flood ENE (074°)2.3 kt
10:31 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.