RaceAtlas

Alcatraz Island Tides: Tuesday, December 30, 2031

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

4.9 ft1:26 AM2.8 ft6:11 AM5.8 ft11:56 AM-0.4 ft6:44 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 11:56 AM, low -0.4 ft at 6:44 PM. Gate: flood 2.9 kt at 11:31 PM, ebb 1.5 kt at 4:34 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:26 AMHigh4.9 ft
6:11 AMLow2.8 ft
11:56 AMHigh5.8 ft
6:44 PMLow-0.4 ft
Current · Golden Gate
TimeStateSpeed
2:49 AMslack–
5:14 AMmax ebb SW (235°)0.9 kt
7:17 AMslack–
10:06 AMmax flood ENE (074°)2.3 kt
1:28 PMslack–
4:34 PMmax ebb SW (235°)1.5 kt
8:05 PMslack–
11:31 PMmax flood ENE (074°)2.9 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.