RaceAtlas

Alcatraz Island Tides: Thursday, February 20, 2031

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

1.7 ft4:06 AM6.5 ft10:16 AM-0.8 ft4:45 PM5.5 ft11:34 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 10:16 AM, low -0.8 ft at 4:45 PM. Gate: flood 3.5 kt at 9:03 PM, ebb 1.9 kt at 3:15 PM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
4:06 AMLow1.7 ft
10:16 AMHigh6.5 ft
4:45 PMLow-0.8 ft
11:34 PMHigh5.5 ft
Current · Golden Gate
TimeStateSpeed
12:05 AMslack–
3:07 AMmax ebb SW (235°)1.5 kt
5:12 AMslack–
8:10 AMmax flood ENE (074°)3.2 kt
11:25 AMslack–
3:15 PMmax ebb SW (235°)1.9 kt
5:55 PMslack–
9:03 PMmax flood ENE (074°)3.5 kt

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.