RaceAtlas

Alcatraz Island Tides: Monday, October 21, 2030

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

0.8 ft1:41 AM4.9 ft8:48 AM2.3 ft2:34 PM4.6 ft8:07 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 8:48 AM, low 0.8 ft at 1:41 AM. Gate: flood 2.2 kt at 5:56 AM, ebb 0.8 kt at 12:26 PM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
1:41 AMLow0.8 ft
8:48 AMHigh4.9 ft
2:34 PMLow2.3 ft
8:07 PMHigh4.6 ft
Current · Golden Gate
TimeStateSpeed
2:06 AMslack–
5:56 AMmax flood ENE (074°)2.2 kt
10:13 AMslack–
12:26 PMmax ebb SW (235°)0.8 kt
2:59 PMslack–
5:50 PMmax flood ENE (074°)1.6 kt
9:46 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.