RaceAtlas

Alcatraz Island Tides: Friday, April 16, 2021

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

5.3 ft2:17 AM0.0 ft9:11 AM4.0 ft4:35 PM3.0 ft8:54 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 2:17 AM, low 0.0 ft at 9:11 AM. Gate: flood 2.3 kt at 12:23 AM, ebb 1.2 kt at 6:24 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
2:17 AMHigh5.3 ft
9:11 AMLow0.0 ft
4:35 PMHigh4.0 ft
8:54 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
12:23 AMmax flood ENE (074°)2.3 kt
3:33 AMslack–
6:24 AMmax ebb SW (235°)1.2 kt
10:23 AMslack–
2:01 PMmax flood ENE (074°)2.1 kt
6:31 PMslack–
8:05 PMmax ebb SW (235°)0.5 kt
9:48 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.