RaceAtlas

Alcatraz Island Tides: Sunday, August 20, 2023

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

5.0 ft2:19 AM1.0 ft8:29 AM5.3 ft3:16 PM1.8 ft9:08 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 3:16 PM, low 1.0 ft at 8:29 AM. Gate: flood 2.9 kt at 12:39 PM, ebb 1.2 kt at 7:05 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:19 AMHigh5.0 ft
8:29 AMLow1.0 ft
3:16 PMHigh5.3 ft
9:08 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
12:36 AMmax flood ENE (074°)2.1 kt
4:18 AMslack–
6:56 AMmax ebb SW (235°)1.2 kt
9:23 AMslack–
12:39 PMmax flood ENE (074°)2.9 kt
4:20 PMslack–
7:05 PMmax ebb SW (235°)1.2 kt
10:15 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.