RaceAtlas

Alcatraz Island Tides: Wednesday, August 9, 2028

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

4.9 ft2:23 AM1.0 ft8:29 AM5.4 ft3:12 PM1.8 ft9:11 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 3:12 PM, low 1.0 ft at 8:29 AM. Gate: flood 2.7 kt at 12:39 PM, ebb 1.2 kt at 6:52 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
2:23 AMHigh4.9 ft
8:29 AMLow1.0 ft
3:12 PMHigh5.4 ft
9:11 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
12:48 AMmax flood ENE (074°)2.1 kt
4:23 AMslack–
6:52 AMmax ebb SW (235°)1.2 kt
9:26 AMslack–
12:39 PMmax flood ENE (074°)2.7 kt
4:36 PMslack–
7:22 PMmax ebb SW (235°)1.1 kt
10:26 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.