RaceAtlas

Alcatraz Island Tides: Tuesday, August 17, 2021

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

0.2 ft2:07 AM4.3 ft9:21 AM3.1 ft1:32 PM6.5 ft7:53 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 7:53 PM, low 0.2 ft at 2:07 AM. Gate: flood 2.6 kt at 5:30 PM, ebb 0.7 kt at 12:14 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
2:07 AMLow0.2 ft
9:21 AMHigh4.3 ft
1:32 PMLow3.1 ft
7:53 PMHigh6.5 ft
Current · Golden Gate
TimeStateSpeed
2:59 AMslack–
6:27 AMmax flood ENE (074°)2.3 kt
10:17 AMslack–
12:14 PMmax ebb SW (235°)0.7 kt
2:16 PMslack–
5:30 PMmax flood ENE (074°)2.6 kt
9:00 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.