RaceAtlas

Alcatraz Island Tides: Friday, July 30, 2027

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

-0.6 ft3:56 AM4.5 ft11:21 AM3.3 ft3:19 PM6.9 ft9:30 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.9 ft at 9:30 PM, low -0.6 ft at 3:56 AM. Gate: flood 2.6 kt at 7:22 PM, ebb 1.4 kt at 12:51 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
3:56 AMLow-0.6 ft
11:21 AMHigh4.5 ft
3:19 PMLow3.3 ft
9:30 PMHigh6.9 ft
Current · Golden Gate
TimeStateSpeed
12:51 AMmax ebb SW (235°)1.4 kt
5:05 AMslack–
8:32 AMmax flood ENE (074°)2.5 kt
12:26 PMslack–
2:19 PMmax ebb SW (235°)0.6 kt
4:10 PMslack–
7:22 PMmax flood ENE (074°)2.6 kt
10:44 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.