RaceAtlas

Alcatraz Island Tides: Friday, December 24, 2021

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

4.8 ft4:02 AM3.2 ft8:50 AM5.0 ft2:15 PM-0.0 ft9:10 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 2:15 PM, low -0.0 ft at 9:10 PM. Gate: flood 2.7 kt at 12:50 AM, ebb 1.4 kt at 7:03 PM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:02 AMHigh4.8 ft
8:50 AMLow3.2 ft
2:15 PMHigh5.0 ft
9:10 PMLow-0.0 ft
Current · Golden Gate
TimeStateSpeed
12:50 AMmax flood ENE (074°)2.7 kt
5:42 AMslack–
7:38 AMmax ebb SW (235°)0.7 kt
9:47 AMslack–
12:39 PMmax flood ENE (074°)1.9 kt
3:47 PMslack–
7:03 PMmax ebb SW (235°)1.4 kt
10:09 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.