RaceAtlas

Alcatraz Island Tides: Wednesday, December 4, 2019

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

5.0 ft6:34 AM2.6 ft12:32 PM4.1 ft5:32 PM4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 6:34 AM, low 2.6 ft at 12:32 PM. Gate: flood 2.4 kt at 4:10 AM, ebb 0.8 kt at 10:48 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
6:34 AMHigh5.0 ft
12:32 PMLow2.6 ft
5:32 PMHigh4.1 ft
Current · Golden Gate
TimeStateSpeed
4:10 AMmax flood ENE (074°)2.4 kt
8:07 AMslack–
10:48 AMmax ebb SW (235°)0.8 kt
12:51 PMslack–
4:03 PMmax flood ENE (074°)1.4 kt
7:18 PMslack–
9:36 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.