RaceAtlas

Alcatraz Island Tides: Tuesday, June 22, 2021

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

-0.8 ft4:29 AM4.5 ft11:26 AM2.4 ft3:54 PM6.9 ft10:17 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.9 ft at 10:17 PM, low -0.8 ft at 4:29 AM. Gate: flood 3.2 kt at 8:10 PM, ebb 1.8 kt at 1:38 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
4:29 AMLow-0.8 ft
11:26 AMHigh4.5 ft
3:54 PMLow2.4 ft
10:17 PMHigh6.9 ft
Current · Golden Gate
TimeStateSpeed
1:38 AMmax ebb SW (235°)1.8 kt
5:39 AMslack–
8:55 AMmax flood ENE (074°)2.9 kt
12:32 PMslack–
2:51 PMmax ebb SW (235°)1.0 kt
5:01 PMslack–
8:10 PMmax flood ENE (074°)3.2 kt
11:23 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.