RaceAtlas

Alcatraz Island Tides: Wednesday, April 12, 2028

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

6.2 ft1:48 AM-1.0 ft8:38 AM4.5 ft3:47 PM2.6 ft8:26 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 1:48 AM, low -1.0 ft at 8:38 AM. Gate: flood 2.9 kt at 1:09 PM, ebb 1.6 kt at 5:42 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:48 AMHigh6.2 ft
8:38 AMLow-1.0 ft
3:47 PMHigh4.5 ft
8:26 PMLow2.6 ft
Current · Golden Gate
TimeStateSpeed
3:00 AMslack–
5:42 AMmax ebb SW (235°)1.6 kt
9:52 AMslack–
1:09 PMmax flood ENE (074°)2.9 kt
4:49 PMslack–
7:17 PMmax ebb SW (235°)1.2 kt
9:33 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.