RaceAtlas

Alcatraz Island Tides: Tuesday, December 14, 2021

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

1.8 ft1:44 AM5.9 ft8:21 AM0.5 ft3:10 PM4.2 ft9:40 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 8:21 AM, low 0.5 ft at 3:10 PM. Gate: flood 2.6 kt at 5:51 AM, ebb 1.6 kt at 1:35 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
1:44 AMLow1.8 ft
8:21 AMHigh5.9 ft
3:10 PMLow0.5 ft
9:40 PMHigh4.2 ft
Current · Golden Gate
TimeStateSpeed
2:10 AMslack–
5:51 AMmax flood ENE (074°)2.6 kt
9:35 AMslack–
1:35 PMmax ebb SW (235°)1.6 kt
3:57 PMslack–
7:13 PMmax flood ENE (074°)2.5 kt
10:31 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.