RaceAtlas

Alcatraz Island Tides: Sunday, December 31, 2023

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

4.8 ft3:27 AM3.1 ft8:18 AM5.2 ft1:40 PM0.1 ft8:35 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 1:40 PM, low 0.1 ft at 8:35 PM. Gate: flood 2.8 kt at 12:52 AM, ebb 1.3 kt at 6:38 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
3:27 AMHigh4.8 ft
8:18 AMLow3.1 ft
1:40 PMHigh5.2 ft
8:35 PMLow0.1 ft
Current · Golden Gate
TimeStateSpeed
12:52 AMmax flood ENE (074°)2.8 kt
5:12 AMslack–
7:20 AMmax ebb SW (235°)0.7 kt
9:23 AMslack–
12:11 PMmax flood ENE (074°)1.7 kt
3:33 PMslack–
6:38 PMmax ebb SW (235°)1.3 kt
9:43 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.