RaceAtlas

Alcatraz Island Tides: Saturday, December 21, 2019

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

1.2 ft12:42 AM6.2 ft7:33 AM0.5 ft2:12 PM4.3 ft8:32 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 7:33 AM, low 0.5 ft at 2:12 PM. Gate: flood 3.1 kt at 4:49 AM, ebb 1.6 kt at 12:26 PM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
12:42 AMLow1.2 ft
7:33 AMHigh6.2 ft
2:12 PMLow0.5 ft
8:32 PMHigh4.3 ft
Current · Golden Gate
TimeStateSpeed
1:31 AMslack–
4:49 AMmax flood ENE (074°)3.1 kt
8:36 AMslack–
12:26 PMmax ebb SW (235°)1.6 kt
3:04 PMslack–
6:10 PMmax flood ENE (074°)2.5 kt
9:40 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.