RaceAtlas

Alcatraz Island Tides: Friday, December 20, 2019

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

5.9 ft6:48 AM1.2 ft1:13 PM4.2 ft7:11 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 6:48 AM, low 1.2 ft at 1:13 PM. Gate: flood 3.0 kt at 3:55 AM, ebb 1.4 kt at 11:18 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
6:48 AMHigh5.9 ft
1:13 PMLow1.2 ft
7:11 PMHigh4.2 ft
Current · Golden Gate
TimeStateSpeed
12:36 AMslack–
3:55 AMmax flood ENE (074°)3.0 kt
7:54 AMslack–
11:18 AMmax ebb SW (235°)1.4 kt
1:56 PMslack–
4:58 PMmax flood ENE (074°)2.2 kt
8:28 PMslack–
10:58 PMmax ebb SW (235°)1.1 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.