RaceAtlas

Alcatraz Island Tides: Sunday, October 20, 2030

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

0.8 ft12:47 AM4.6 ft8:12 AM2.8 ft1:43 PM4.6 ft6:57 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.6 ft at 8:12 AM, low 0.8 ft at 12:47 AM. Gate: flood 2.0 kt at 5:33 AM, ebb 0.8 kt at 11:14 PM.
Modelled current at the Golden Gate on a 2.0 kt floodThe Gate at max flood, 2.0 kt
Tide height
TimeHeight
12:47 AMLow0.8 ft
8:12 AMHigh4.6 ft
1:43 PMLow2.8 ft
6:57 PMHigh4.6 ft
Current · Golden Gate
TimeStateSpeed
1:18 AMslack–
5:33 AMmax flood ENE (074°)2.0 kt
9:44 AMslack–
11:40 AMmax ebb SW (235°)0.6 kt
1:46 PMslack–
4:35 PMmax flood ENE (074°)1.4 kt
8:37 PMslack–
11:14 PMmax ebb SW (235°)0.8 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.