RaceAtlas

Alcatraz Island Tides: Saturday, April 17, 2021

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

5.2 ft2:52 AM0.1 ft9:59 AM3.9 ft5:45 PM3.3 ft9:45 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 2:52 AM, low 0.1 ft at 9:59 AM. Gate: flood 2.2 kt at 1:04 AM, ebb 1.1 kt at 7:04 AM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
2:52 AMHigh5.2 ft
9:59 AMLow0.1 ft
5:45 PMHigh3.9 ft
9:45 PMLow3.3 ft
Current · Golden Gate
TimeStateSpeed
1:04 AMmax flood ENE (074°)2.2 kt
4:08 AMslack–
7:04 AMmax ebb SW (235°)1.1 kt
11:03 AMslack–
2:42 PMmax flood ENE (074°)1.9 kt
7:35 PMslack–
8:55 PMmax ebb SW (235°)0.4 kt
10:26 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.