RaceAtlas

Alcatraz Island Tides: Sunday, January 17, 2021

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

5.1 ft3:15 AM2.6 ft8:35 AM5.1 ft2:10 PM0.2 ft8:45 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 3:15 AM, low 0.2 ft at 8:45 PM. Gate: flood 3.1 kt at 12:40 AM, ebb 1.4 kt at 6:42 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:15 AMHigh5.1 ft
8:35 AMLow2.6 ft
2:10 PMHigh5.1 ft
8:45 PMLow0.2 ft
Current · Golden Gate
TimeStateSpeed
12:40 AMmax flood ENE (074°)3.1 kt
4:49 AMslack–
7:37 AMmax ebb SW (235°)1.2 kt
9:49 AMslack–
12:36 PMmax flood ENE (074°)2.1 kt
3:52 PMslack–
6:42 PMmax ebb SW (235°)1.4 kt
9:47 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.