RaceAtlas

Alcatraz Island Tides: Thursday, December 31, 2020

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

4.8 ft1:27 AM3.2 ft5:48 AM6.2 ft11:42 AM-0.9 ft6:42 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 11:42 AM, low -0.9 ft at 6:42 PM. Gate: flood 2.9 kt at 11:03 PM, ebb 1.8 kt at 3:51 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:27 AMHigh4.8 ft
5:48 AMLow3.2 ft
11:42 AMHigh6.2 ft
6:42 PMLow-0.9 ft
Current · Golden Gate
TimeStateSpeed
2:46 AMslack–
4:39 AMmax ebb SW (235°)0.7 kt
6:38 AMslack–
9:42 AMmax flood ENE (074°)2.7 kt
12:48 PMslack–
3:51 PMmax ebb SW (235°)1.8 kt
7:52 PMslack–
11:03 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.