RaceAtlas

Alcatraz Island Tides: Wednesday, September 15, 2021

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

-0.0 ft1:48 AM4.7 ft9:15 AM3.3 ft1:46 PM6.0 ft7:40 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 7:40 PM, low -0.0 ft at 1:48 AM. Gate: flood 2.4 kt at 5:14 PM, ebb 0.7 kt at 12:11 PM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:48 AMLow-0.0 ft
9:15 AMHigh4.7 ft
1:46 PMLow3.3 ft
7:40 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
2:39 AMslack–
6:14 AMmax flood ENE (074°)2.3 kt
10:05 AMslack–
12:11 PMmax ebb SW (235°)0.7 kt
2:06 PMslack–
5:14 PMmax flood ENE (074°)2.4 kt
8:49 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.