RaceAtlas

Alcatraz Island Tides: Tuesday, August 18, 2020

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

-0.8 ft5:56 AM5.1 ft12:59 PM2.5 ft5:46 PM6.7 ft11:52 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 11:52 PM, low -0.8 ft at 5:56 AM. Gate: flood 3.1 kt at 10:08 AM, ebb 1.8 kt at 3:29 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
5:56 AMLow-0.8 ft
12:59 PMHigh5.1 ft
5:46 PMLow2.5 ft
11:52 PMHigh6.7 ft
Current · Golden Gate
TimeStateSpeed
12:10 AMslack–
3:29 AMmax ebb SW (235°)1.8 kt
7:00 AMslack–
10:08 AMmax flood ENE (074°)3.1 kt
2:11 PMslack–
4:32 PMmax ebb SW (235°)1.0 kt
6:51 PMslack–
9:47 PMmax flood ENE (074°)2.9 kt

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.