RaceAtlas

Alcatraz Island Tides: Tuesday, December 7, 2021

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

5.1 ft2:46 AM3.2 ft7:15 AM6.5 ft1:12 PM-1.3 ft8:15 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 1:12 PM, low -1.3 ft at 8:15 PM. Gate: flood 3.0 kt at 11:16 AM, ebb 1.8 kt at 5:25 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:46 AMHigh5.1 ft
7:15 AMLow3.2 ft
1:12 PMHigh6.5 ft
8:15 PMLow-1.3 ft
Current · Golden Gate
TimeStateSpeed
3:56 AMslack–
6:21 AMmax ebb SW (235°)0.9 kt
8:18 AMslack–
11:16 AMmax flood ENE (074°)3.0 kt
2:22 PMslack–
5:25 PMmax ebb SW (235°)1.8 kt
9:28 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.