RaceAtlas

Alcatraz Island Tides: Friday, August 21, 2020

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

6.3 ft1:33 AM-0.3 ft7:55 AM5.7 ft2:45 PM1.5 ft8:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 1:33 AM, low -0.3 ft at 7:55 AM. Gate: flood 3.7 kt at 12:01 PM, ebb 2.0 kt at 5:52 AM.
Modelled current at the Golden Gate on a 3.7 kt floodThe Gate at max flood, 3.7 kt
Tide height
TimeHeight
1:33 AMHigh6.3 ft
7:55 AMLow-0.3 ft
2:45 PMHigh5.7 ft
8:16 PMLow1.5 ft
Current · Golden Gate
TimeStateSpeed
2:44 AMslack–
5:52 AMmax ebb SW (235°)2.0 kt
9:01 AMslack–
12:01 PMmax flood ENE (074°)3.7 kt
3:45 PMslack–
6:39 PMmax ebb SW (235°)1.4 kt
9:29 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.