RaceAtlas

Alcatraz Island Tides: Wednesday, January 1, 2020

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

4.9 ft4:42 AM2.8 ft10:26 AM4.3 ft3:28 PM0.9 ft10:05 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 4:42 AM, low 0.9 ft at 10:05 PM. Gate: flood 2.5 kt at 1:56 AM, ebb 0.9 kt at 7:58 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:42 AMHigh4.9 ft
10:26 AMLow2.8 ft
3:28 PMHigh4.3 ft
10:05 PMLow0.9 ft
Current · Golden Gate
TimeStateSpeed
1:56 AMmax flood ENE (074°)2.5 kt
6:34 AMslack–
9:08 AMmax ebb SW (235°)0.8 kt
11:17 AMslack–
1:56 PMmax flood ENE (074°)1.4 kt
5:38 PMslack–
7:58 PMmax ebb SW (235°)0.9 kt
10:49 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.