RaceAtlas

Alcatraz Island Tides: Saturday, August 12, 2023

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

-0.1 ft4:17 AM4.8 ft11:30 AM3.3 ft3:52 PM6.1 ft9:41 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 9:41 PM, low -0.1 ft at 4:17 AM. Gate: flood 2.7 kt at 8:30 AM, ebb 1.4 kt at 2:59 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:17 AMLow-0.1 ft
11:30 AMHigh4.8 ft
3:52 PMLow3.3 ft
9:41 PMHigh6.1 ft
Current · Golden Gate
TimeStateSpeed
2:59 AMmax ebb SW (235°)1.4 kt
5:06 AMslack–
8:30 AMmax flood ENE (074°)2.7 kt
11:59 AMslack–
2:21 PMmax ebb SW (235°)0.8 kt
4:19 PMslack–
7:35 PMmax flood ENE (074°)2.1 kt
11:12 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.