RaceAtlas

Alcatraz Island Tides: Wednesday, December 31, 2031

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

4.9 ft1:57 AM2.8 ft6:51 AM5.5 ft12:32 PM-0.1 ft7:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 12:32 PM, low -0.1 ft at 7:16 PM. Gate: flood 2.8 kt at 11:55 PM, ebb 1.4 kt at 5:13 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
1:57 AMHigh4.9 ft
6:51 AMLow2.8 ft
12:32 PMHigh5.5 ft
7:16 PMLow-0.1 ft
Current · Golden Gate
TimeStateSpeed
3:32 AMslack–
5:55 AMmax ebb SW (235°)0.9 kt
7:59 AMslack–
10:47 AMmax flood ENE (074°)2.1 kt
2:10 PMslack–
5:13 PMmax ebb SW (235°)1.4 kt
8:34 PMslack–
11:55 PMmax flood ENE (074°)2.8 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.