RaceAtlas

Alcatraz Island Tides: Thursday, June 17, 2021

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

4.6 ft4:44 AM0.1 ft11:29 AM5.1 ft6:53 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.1 ft at 6:53 PM, low 0.1 ft at 11:29 AM. Gate: flood 2.9 kt at 3:45 PM, ebb 1.3 kt at 9:25 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
4:44 AMHigh4.6 ft
11:29 AMLow0.1 ft
6:53 PMHigh5.1 ft
Current · Golden Gate
TimeStateSpeed
12:20 AMslack–
3:00 AMmax flood ENE (074°)1.8 kt
6:23 AMslack–
9:25 AMmax ebb SW (235°)1.3 kt
12:22 PMslack–
3:45 PMmax flood ENE (074°)2.9 kt
8:13 PMslack–
10:52 PMmax ebb SW (235°)1.0 kt

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.