RaceAtlas

Alcatraz Island Tides: Thursday, January 12, 2023

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

4.9 ft3:40 AM2.7 ft9:04 AM4.6 ft2:27 PM0.7 ft9:00 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 3:40 AM, low 0.7 ft at 9:00 PM. Gate: flood 2.8 kt at 12:42 AM, ebb 1.0 kt at 7:18 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
3:40 AMHigh4.9 ft
9:04 AMLow2.7 ft
2:27 PMHigh4.6 ft
9:00 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
12:42 AMmax flood ENE (074°)2.8 kt
5:14 AMslack–
7:29 AMmax ebb SW (235°)0.8 kt
10:09 AMslack–
12:54 PMmax flood ENE (074°)1.6 kt
4:35 PMslack–
7:18 PMmax ebb SW (235°)1.0 kt
9:48 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.