RaceAtlas

Alcatraz Island Tides: Tuesday, July 13, 2021

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

5.8 ft1:50 AM-0.6 ft8:43 AM4.9 ft4:03 PM2.9 ft8:52 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 1:50 AM, low -0.6 ft at 8:43 AM. Gate: flood 3.1 kt at 12:56 PM, ebb 1.8 kt at 6:23 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
1:50 AMHigh5.8 ft
8:43 AMLow-0.6 ft
4:03 PMHigh4.9 ft
8:52 PMLow2.9 ft
Current · Golden Gate
TimeStateSpeed
12:00 AMmax flood ENE (074°)2.4 kt
3:04 AMslack–
6:23 AMmax ebb SW (235°)1.8 kt
9:45 AMslack–
12:56 PMmax flood ENE (074°)3.1 kt
5:23 PMslack–
7:41 PMmax ebb SW (235°)0.9 kt
9:57 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.