RaceAtlas

Alcatraz Island Tides: Thursday, April 29, 2021

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

6.5 ft1:24 AM-1.5 ft8:11 AM4.8 ft3:19 PM2.5 ft7:59 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 1:24 AM, low -1.5 ft at 8:11 AM. Gate: flood 3.1 kt at 12:32 PM, ebb 2.0 kt at 5:04 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
1:24 AMHigh6.5 ft
8:11 AMLow-1.5 ft
3:19 PMHigh4.8 ft
7:59 PMLow2.5 ft
Current · Golden Gate
TimeStateSpeed
2:22 AMslack–
5:04 AMmax ebb SW (235°)2.0 kt
9:22 AMslack–
12:32 PMmax flood ENE (074°)3.1 kt
4:25 PMslack–
6:52 PMmax ebb SW (235°)1.1 kt
9:06 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.