RaceAtlas

Alcatraz Island Tides: Friday, January 31, 2020

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

5.1 ft4:04 AM2.1 ft10:25 AM3.8 ft4:03 PM1.8 ft9:49 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 4:04 AM, low 1.8 ft at 9:49 PM. Gate: flood 2.4 kt at 1:15 AM, ebb 0.8 kt at 8:11 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
4:04 AMHigh5.1 ft
10:25 AMLow2.1 ft
4:03 PMHigh3.8 ft
9:49 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
1:15 AMmax flood ENE (074°)2.4 kt
5:45 AMslack–
8:11 AMmax ebb SW (235°)0.8 kt
11:24 AMslack–
2:22 PMmax flood ENE (074°)1.5 kt
6:31 PMslack–
8:22 PMmax ebb SW (235°)0.7 kt
10:25 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.