RaceAtlas

Alcatraz Island Tides: Thursday, April 15, 2021

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

5.4 ft1:47 AM-0.0 ft8:31 AM4.1 ft3:36 PM2.7 ft8:15 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 1:47 AM, low -0.0 ft at 8:31 AM. Gate: flood 2.4 kt at 1:23 PM, ebb 1.3 kt at 5:52 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:47 AMHigh5.4 ft
8:31 AMLow-0.0 ft
3:36 PMHigh4.1 ft
8:15 PMLow2.7 ft
Current · Golden Gate
TimeStateSpeed
3:05 AMslack–
5:52 AMmax ebb SW (235°)1.3 kt
9:49 AMslack–
1:23 PMmax flood ENE (074°)2.4 kt
5:29 PMslack–
7:20 PMmax ebb SW (235°)0.7 kt
9:17 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.