RaceAtlas

Alcatraz Island Tides: Friday, August 18, 2028

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

-0.7 ft4:45 AM4.9 ft11:49 AM2.6 ft4:31 PM6.7 ft10:37 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 10:37 PM, low -0.7 ft at 4:45 AM. Gate: flood 3.0 kt at 9:08 AM, ebb 1.7 kt at 2:30 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
4:45 AMLow-0.7 ft
11:49 AMHigh4.9 ft
4:31 PMLow2.6 ft
10:37 PMHigh6.7 ft
Current · Golden Gate
TimeStateSpeed
2:30 AMmax ebb SW (235°)1.7 kt
5:48 AMslack–
9:08 AMmax flood ENE (074°)3.0 kt
1:05 PMslack–
3:30 PMmax ebb SW (235°)0.9 kt
5:33 PMslack–
8:33 PMmax flood ENE (074°)2.7 kt
11:48 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.