RaceAtlas

Alcatraz Island Tides: Wednesday, April 30, 2031

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

2.5 ft1:24 AM4.1 ft6:31 AM0.7 ft1:11 PM4.6 ft8:24 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.6 ft at 8:24 PM, low 0.7 ft at 1:11 PM. Gate: flood 2.1 kt at 5:39 PM, ebb 0.7 kt at 10:54 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
1:24 AMLow2.5 ft
6:31 AMHigh4.1 ft
1:11 PMLow0.7 ft
8:24 PMHigh4.6 ft
Current · Golden Gate
TimeStateSpeed
1:32 AMslack–
4:17 AMmax flood ENE (074°)1.3 kt
8:28 AMslack–
10:54 AMmax ebb SW (235°)0.7 kt
1:40 PMslack–
5:39 PMmax flood ENE (074°)2.1 kt
9:53 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.