RaceAtlas

Alcatraz Island Tides: Thursday, December 12, 2019

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

4.7 ft12:23 AM2.9 ft4:52 AM6.4 ft10:57 AM-0.9 ft5:51 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 10:57 AM, low -0.9 ft at 5:51 PM. Gate: flood 3.0 kt at 8:49 AM, ebb 1.9 kt at 2:51 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
12:23 AMHigh4.7 ft
4:52 AMLow2.9 ft
10:57 AMHigh6.4 ft
5:51 PMLow-0.9 ft
Current · Golden Gate
TimeStateSpeed
1:34 AMslack–
3:28 AMmax ebb SW (235°)0.8 kt
5:37 AMslack–
8:49 AMmax flood ENE (074°)3.0 kt
11:54 AMslack–
2:51 PMmax ebb SW (235°)1.9 kt
7:03 PMslack–
10:10 PMmax flood ENE (074°)2.9 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.