RaceAtlas

Alcatraz Island Tides: Tuesday, December 22, 2020

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

5.3 ft6:25 AM2.0 ft12:48 PM3.8 ft6:13 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 6:25 AM, low 2.0 ft at 12:48 PM. Gate: flood 2.5 kt at 3:48 AM, ebb 1.1 kt at 11:03 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
6:25 AMHigh5.3 ft
12:48 PMLow2.0 ft
6:13 PMHigh3.8 ft
Current · Golden Gate
TimeStateSpeed
3:48 AMmax flood ENE (074°)2.5 kt
7:53 AMslack–
11:03 AMmax ebb SW (235°)1.1 kt
1:18 PMslack–
4:38 PMmax flood ENE (074°)1.6 kt
7:45 PMslack–
9:54 PMmax ebb SW (235°)0.8 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.