RaceAtlas

Alcatraz Island Tides: Saturday, December 20, 2031

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

5.8 ft4:46 AM1.7 ft10:58 AM4.4 ft4:42 PM0.9 ft10:36 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 4:46 AM, low 0.9 ft at 10:36 PM. Gate: flood 3.1 kt at 1:46 AM, ebb 1.3 kt at 9:18 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
4:46 AMHigh5.8 ft
10:58 AMLow1.7 ft
4:42 PMHigh4.4 ft
10:36 PMLow0.9 ft
Current · Golden Gate
TimeStateSpeed
1:46 AMmax flood ENE (074°)3.1 kt
5:58 AMslack–
9:18 AMmax ebb SW (235°)1.3 kt
11:39 AMslack–
2:22 PMmax flood ENE (074°)2.2 kt
5:53 PMslack–
8:24 PMmax ebb SW (235°)1.2 kt
11:22 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.