RaceAtlas

Alcatraz Island Tides: Friday, January 1, 2021

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

4.8 ft2:07 AM3.2 ft6:29 AM6.1 ft12:21 PM-0.9 ft7:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 12:21 PM, low -0.9 ft at 7:21 PM. Gate: flood 3.0 kt at 11:40 PM, ebb 1.9 kt at 4:45 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:07 AMHigh4.8 ft
6:29 AMLow3.2 ft
12:21 PMHigh6.1 ft
7:21 PMLow-0.9 ft
Current · Golden Gate
TimeStateSpeed
3:29 AMslack–
5:31 AMmax ebb SW (235°)0.7 kt
7:27 AMslack–
10:30 AMmax flood ENE (074°)2.6 kt
1:32 PMslack–
4:45 PMmax ebb SW (235°)1.9 kt
8:29 PMslack–
11:40 PMmax flood ENE (074°)3.0 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.