RaceAtlas

Alcatraz Island Tides: Wednesday, July 28, 2021

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

5.4 ft3:00 AM0.2 ft9:30 AM5.4 ft4:30 PM2.2 ft10:14 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 3:00 AM, low 0.2 ft at 9:30 AM. Gate: flood 3.1 kt at 1:48 PM, ebb 1.5 kt at 7:25 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:00 AMHigh5.4 ft
9:30 AMLow0.2 ft
4:30 PMHigh5.4 ft
10:14 PMLow2.2 ft
Current · Golden Gate
TimeStateSpeed
1:16 AMmax flood ENE (074°)2.4 kt
4:31 AMslack–
7:25 AMmax ebb SW (235°)1.5 kt
10:27 AMslack–
1:48 PMmax flood ENE (074°)3.1 kt
5:57 PMslack–
8:59 PMmax ebb SW (235°)1.2 kt
11:22 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.