RaceAtlas

Alcatraz Island Tides: Thursday, December 23, 2027

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

2.5 ft1:07 AM6.5 ft7:41 AM-0.3 ft2:52 PM4.3 ft9:49 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 7:41 AM, low -0.3 ft at 2:52 PM. Gate: flood 2.9 kt at 5:08 AM, ebb 1.6 kt at 1:13 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:07 AMLow2.5 ft
7:41 AMHigh6.5 ft
2:52 PMLow-0.3 ft
9:49 PMHigh4.3 ft
Current · Golden Gate
TimeStateSpeed
1:45 AMslack–
5:08 AMmax flood ENE (074°)2.9 kt
8:47 AMslack–
1:13 PMmax ebb SW (235°)1.6 kt
3:41 PMslack–
6:57 PMmax flood ENE (074°)2.6 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.