RaceAtlas

Alcatraz Island Tides: Thursday, August 17, 2028

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

-0.4 ft4:01 AM4.6 ft11:15 AM3.0 ft3:39 PM6.6 ft9:43 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 9:43 PM, low -0.4 ft at 4:01 AM. Gate: flood 2.6 kt at 8:33 AM, ebb 1.4 kt at 1:12 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
4:01 AMLow-0.4 ft
11:15 AMHigh4.6 ft
3:39 PMLow3.0 ft
9:43 PMHigh6.6 ft
Current · Golden Gate
TimeStateSpeed
1:12 AMmax ebb SW (235°)1.4 kt
5:02 AMslack–
8:33 AMmax flood ENE (074°)2.6 kt
12:29 PMslack–
2:34 PMmax ebb SW (235°)0.7 kt
4:29 PMslack–
7:32 PMmax flood ENE (074°)2.5 kt
10:55 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.