RaceAtlas

Alcatraz Island Tides: Tuesday, April 13, 2021

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

5.4 ft12:59 AM0.2 ft7:22 AM4.5 ft2:00 PM1.8 ft7:11 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 12:59 AM, low 0.2 ft at 7:22 AM. Gate: flood 2.7 kt at 12:00 PM, ebb 1.5 kt at 5:21 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
12:59 AMHigh5.4 ft
7:22 AMLow0.2 ft
2:00 PMHigh4.5 ft
7:11 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
2:21 AMslack–
5:21 AMmax ebb SW (235°)1.5 kt
8:43 AMslack–
12:00 PMmax flood ENE (074°)2.7 kt
3:34 PMslack–
5:47 PMmax ebb SW (235°)1.1 kt
8:16 PMslack–
11:14 PMmax flood ENE (074°)2.6 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.