RaceAtlas

Alcatraz Island Tides: Wednesday, February 17, 2021

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

5.2 ft3:15 AM1.6 ft9:41 AM3.8 ft3:45 PM2.0 ft9:12 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 3:15 AM, low 1.6 ft at 9:41 AM. Gate: flood 2.5 kt at 12:47 AM, ebb 0.9 kt at 7:32 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:15 AMHigh5.2 ft
9:41 AMLow1.6 ft
3:45 PMHigh3.8 ft
9:12 PMLow2.0 ft
Current · Golden Gate
TimeStateSpeed
12:47 AMmax flood ENE (074°)2.5 kt
4:58 AMslack–
7:32 AMmax ebb SW (235°)0.9 kt
10:52 AMslack–
2:11 PMmax flood ENE (074°)1.8 kt
5:57 PMslack–
7:51 PMmax ebb SW (235°)0.8 kt
10:06 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.