RaceAtlas

Alcatraz Island Tides: Saturday, December 21, 2030

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

2.5 ft1:27 AM6.6 ft7:57 AM-0.6 ft3:00 PM4.4 ft10:02 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 7:57 AM, low -0.6 ft at 3:00 PM. Gate: flood 3.0 kt at 5:37 AM, ebb 1.7 kt at 11:53 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
1:27 AMLow2.5 ft
7:57 AMHigh6.6 ft
3:00 PMLow-0.6 ft
10:02 PMHigh4.4 ft
Current · Golden Gate
TimeStateSpeed
12:09 AMmax ebb SW (235°)0.8 kt
2:22 AMslack–
5:37 AMmax flood ENE (074°)3.0 kt
9:04 AMslack–
11:53 AMmax ebb SW (235°)1.7 kt
4:06 PMslack–
7:25 PMmax flood ENE (074°)2.6 kt
11:08 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.