RaceAtlas

Alcatraz Island Tides: Wednesday, August 25, 2021

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

5.6 ft1:57 AM0.4 ft8:12 AM5.4 ft2:56 PM1.7 ft8:40 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 1:57 AM, low 0.4 ft at 8:12 AM. Gate: flood 3.2 kt at 12:29 PM, ebb 1.6 kt at 6:21 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
1:57 AMHigh5.6 ft
8:12 AMLow0.4 ft
2:56 PMHigh5.4 ft
8:40 PMLow1.7 ft
Current · Golden Gate
TimeStateSpeed
12:12 AMmax flood ENE (074°)2.7 kt
3:28 AMslack–
6:21 AMmax ebb SW (235°)1.6 kt
9:16 AMslack–
12:29 PMmax flood ENE (074°)3.2 kt
4:20 PMslack–
7:40 PMmax ebb SW (235°)1.4 kt
10:04 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.