RaceAtlas

Alcatraz Island Tides: Saturday, December 25, 2021

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

4.9 ft4:42 AM3.0 ft9:59 AM4.6 ft3:13 PM0.4 ft9:57 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 4:42 AM, low 0.4 ft at 9:57 PM. Gate: flood 2.9 kt at 1:28 AM, ebb 1.2 kt at 7:59 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
4:42 AMHigh4.9 ft
9:59 AMLow3.0 ft
3:13 PMHigh4.6 ft
9:57 PMLow0.4 ft
Current · Golden Gate
TimeStateSpeed
1:28 AMmax flood ENE (074°)2.9 kt
6:13 AMslack–
8:25 AMmax ebb SW (235°)0.8 kt
10:54 AMslack–
1:34 PMmax flood ENE (074°)1.7 kt
4:59 PMslack–
7:59 PMmax ebb SW (235°)1.2 kt
10:50 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.