RaceAtlas

Alcatraz Island Tides: Thursday, February 4, 2021

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

5.9 ft4:40 AM0.9 ft11:23 AM3.9 ft5:51 PM2.2 ft10:44 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 4:40 AM, low 0.9 ft at 11:23 AM. Gate: flood 3.1 kt at 2:01 AM, ebb 1.3 kt at 8:18 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
4:40 AMHigh5.9 ft
11:23 AMLow0.9 ft
5:51 PMHigh3.9 ft
10:44 PMLow2.2 ft
Current · Golden Gate
TimeStateSpeed
2:01 AMmax flood ENE (074°)3.1 kt
5:39 AMslack–
8:18 AMmax ebb SW (235°)1.3 kt
12:11 PMslack–
3:20 PMmax flood ENE (074°)2.1 kt
7:12 PMslack–
9:27 PMmax ebb SW (235°)0.9 kt
11:42 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.